When $\frac{1}{10}\%$ of 10,000 is added to $\frac{1}{10}$ of 10,000, the result is

If x is the smallest positive integer such that 485,100 divided by x is twice the square of an integer, then x must be

In the chart shown, which of the following is closest to the median monthly number of customers acquired by Company X?

An animal that dives into a pool of water is at a depth of x, in feet, after t seconds, where $x=-4{\left(t-2\right)}^2+16$. At what depth, in feet, is the animal 0.5 seconds after it reaches its greatest depth?

Sixty-four percent of the members of a study group are aged 30 or older, and 12.5 percent of those individuals aged 30 or older are teachers. If one member of the study group is to be selected at random, what is the probability that the member selected is a teacher aged 30 or older?

Running at the same constant rate, 6 identical machines can produce a total of 33 widgets per hour. At this rate, how many widgets could 14 such machines produce in 3 hours?

If $1-\frac{1}{y}=\frac{y}{4}$ , then y has how many possible values?

If is a positive integer, then is

The ratio 3 to $\frac{1}{4}$ is equal to the ratio

In a town, 25 percent of the population are miners by profession, and 16 percent of the population are employed miners. What percent of the miners in the town are not employed?

At his regular hourly rate, Ed estimated the cost of a research task to be $528 and he was paid that amount. However, the job took 8 hours less time than he had estimated and, consequently, he earned $11 per hour more than his regular hourly rate. What was the time Ed took to complete the task, in hours?

How quickly heat transfers through an insulating layer depends on that insulator's thermal resistance. If two insulators are used together, the inverse of the combined thermal resistance is the sum of the reciprocals of each layer's thermal resistance. If the thermal resistances of two insulators are  and , what is their combined resistance?

For the first portion of her trip, Frederique traveled of the total distance in miles at an average speed of 40 miles per hour, such that . She traveled the remaining distance at an average speed of 60 miles per hour. In terms of , what was Frederique's average speed for the entire trip?

If the operation $\oplus$ is defined by $x\oplus y=y\sqrt{x}$ for all positive numbers x and y, then $9\oplus \left(16\oplus 25\right)=$

At a certain school, the ratio of the number of five-year-olds to the number of nine-year-olds is 12 to 5, and the ratio of the number of four-year-old's to the number of five-year old's is 3 to 4. If the ratio of the number of eight-year-olds to the number of nine-year-olds is 3 to 2, what is the ratio of the number of four-year-olds to the number of eight-year-olds?

If the median of a series of C consecutive integers is M, and M is a member of the series, what is the smallest member of the series?

A retailer determines the price of a certain item by adding 20% to wholesale cost she paid for each item. Of a particular batch of 50 of those items, the retailer sold 40 at full price, then sold the remainder to a liquidator for 40% of the wholesale price. Which of the following describes the retailer's loss or profit as a percentage of her costs?