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Ready4	The author of the passage suggests that Evans’ scholarship corrects the error other scholars make when they assume that
Ready4	The author of the passage implies that Evans’s methods are unusual in which of the following ways?
Ready4	Which of the following statements about the first attempts to detect gravitational waves with an interferometer can be inferred from the passage?
Ready4	A new drug to lower cholesterol has entered the market that, when used in combination with existing drugs called statins, can reduce the risk of heart disease more effectively than statins alone. Patients who tried the new drug in a clinical trial were able to lessen their daily dose of statins without a corresponding increase in blood cholesterol levels. Statins alone, however, cost less, and the money patients saved on statins rarely surpassed the added cost of the new drug. Therefore, for most patients with high cholesterol, adding the new drug to their treatment regimen would be unlikely to lower healthcare costs. Which of the following would it be most helpful to know in order to analyze the argument?
Ready4	Analyst: The average amount of work-related travel per year for an employee in the sales department of the Syndek Corporation is 45 days. Most members of the Syndek Corporation work in the sales department. Moreover, the work-related travel time for a given employee of the corporation generally does not vary significantly from year to year. Therefore, each year, most employees of the Syndek Corporation travel for work at least some days. The analyst’s argument is most vulnerable to criticism based on which of the following claims?
Ready4	Community representative: Paper bags are substantially less expensive than plastic bags. And plastic is not biodegradable, which means that using plastic bags clutters up landfills and pollutes the environment. Customers can preserve the environment by making exclusive use of paper bags, and we can encourage them to do so by informing them that this is the case. Thus, we can save money on shopping bags by drawing attention to this advantage paper bags have over plastic. Which of the following, if true, would most indicate a vulnerability of the community representative’s argument?
Ready4	Mixture $X$ contains 25% alcohol, Mixture $Y$ contains 10% alcohol, and Mixture $Z$ contains 15% alcohol. If $x$ liters of Mixture $X$ , $y$ liters of Mixture $Y$ , and $z$ liters of Mixture $Z$ are mixed to give $x+y+z$ liters of mixture that contain 20% alcohol, what is $z$ in terms of $x$ and $y$ ?
Ready4	A collection of DVDs includes $24$ comedies, $12$ dramas, and $15$ action movies. If $2$ DVDs are to be selected at random and without replacement, what is the probability that both DVDs will be action movies?
Ready4	An art exhibit has 30 landscape paintings, 25 watercolor paintings, and 20 portrait paintings. If 2 different paintings are selected at random to be displayed in a catalog, what is the probability that both paintings will be watercolors?
Ready4	A hotel manager will select 1 of 10 eligible families to receive a free night’s stay and 2 of 15 eligible families to receive a free dinner in the hotel’s restaurant. If none of the families is eligible to receive both free services, how many different ways are are there of selecting 3 families to receive a free service?
Ready4	A company will select 1 of 8 eligible employees to work its second shift and 2 of 12 eligible employees to work its third shift. If none of the employees is eligible to work both shifts, how many different sets of 3 employees are there to work these shifts?
Ready4	Lines $k$ and $n$ lie in the $xy$ -plane. Is the slope of line $k$ greater than the slope of line $n$ ? (1) The $y$ -intercept of line $k$ is negative and the $y$ -intercept of line $n$ is positive. (2) Lines $k$ and $n$ intersect at the point $(-2,3)$ .
Ready4	Lines $g$ and $h$ lie in the $xy$ -plane. Is the slope of line $g$ less than the slope of line $h$ ? (1) The $y$ -intercept of line $g$ is greater that the $y$ -intercept of line $h$ . (2) Line $g$ contains the point $(0,0)$ and line $h$ contains the point $(2,0)$ .
Ready4	Five friends donated a total of $80$ books to a library, and no two friends donated the same number of books. Of the five friends, if Marlon donated the second greatest number of books, did Marlon donate at least $12$ books? (1) One of the five friends donated $42$ books to the library. (2) Marlon donated fewer than $15$ books to the library.
Ready4	A restaurant delivered a total of 55 pizzas to six different customers one night, and no two customers had the same number of pizzas delivered. Of the six customers, if Customer A had the second greatest number of pizzas delivered, did Customer A have fewer than 9 pizzas delivered? (1) One of the six customers had 20 pizzas delivered. (2) Customer A had more than 5 pizzas delivered.
Ready4	What is the thousandths digit of the decimal $p$ ? (1) The units digit of $100p$ is $8$ . (2) The hundredths digit of $10p$ is $8$ .
Ready4	What is the tenths digit of the decimal $n$ ? (1) The tens digit of $1{,}000n$ is $6$ . (2) The hundredths digit of $100n$ is $6$ .
Ready4	Which of the following is an integer? I. $\frac{14!}{8!}$ II. $\frac{14!}{10!}$ III. $\frac{14!}{9! \cdot 6!}$
Ready4	Which of the following is an integer? I. $\frac{15!}{9!}$ II. $\frac{15! \cdot 3!}{10!}$ III. $\frac{15!}{10!6!}$
Ready4	On a certain day, a cafeteria served soup and salad for lunch. If each of the $168$ people eating in the cafeteria had at least one of these two foods, how many had only soup? (1) $\frac{5}{8}$ of the people had both soup and salad. (2) $\frac{2}{3}$ of the people had salad.