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181215 AB=3, BC=4. AD=DE, ∠ADB=∠ABC=90°,CE=?
OG18-数学分册 A school club plans to package and sell dried fruit to raise money. The club purchased 12 containers of dried fruit, each containing 16$$\frac{3}{4}$$ pounds. What is the maximum number of individual bags of dried fruit, each containing $$\frac{1}{4}$$ pounds, that can be sold from the dried fruit the club purchased?
OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022 For the positive numbers, n, n + 1, n + 2, n + 4, and n + 8, the mean is how much greater than the median
Magoosh If $$ k \neq 0$$ and $$k \neq±1$$, and $$({k^{3}*k*k^{4}})^{2}\over{k^{n}*k}$$=$$k^{14} $$, then n =
191031 If $$f ( x ) = \frac { 4 x ^ { 2 } - 1 } { 1 - 2 x } $$，then $$\frac { f ( \sqrt { 3 } ) - f ( \sqrt { 2 } ) } { \sqrt { 3 } - \sqrt { 2 } }$$？
191031 One person is prepared to complete 4 tasks, named, A,B,C,D . How many different ways can A be completed before B?
190321 x=3/2,y=1/2,$$\frac{x^4y^2-x^2y^4}{x^2+y^2}$$ = ?
190302 n=$$2^{5}$$*$$3^{4}$$*$$5^{3}$$*$$7^{2}$$*11 .How many positive factors does n have?
190302 The area of a circle is $$\frac{9π^{2}}{4}$$. What is the diameter of the circle?
Ready4

Car A and Car B are driving toward each other along a straight line. Car A travels at a constant speed of 60 miles per hour and Car B travels at a constant speed of 40 miles per hour. If at noon they are separated by a distance of 300 miles, at what time will they meet?
GWD PREP08 Test 1 Faulty voting equipment, confusing ballots, voter error, and problems at polling places have been cited by a new study of the 2000 United States presidential election, which estimated that they did not count 4 million to 6 million of the 100 million votes cast.
190124 AB=9, BC=4. A,B,C are not collinear. Which of the following may be the distance of AC?
PREP07 Test 2 What is the greatest integer that is less than t ?(1)$$ t = \frac{9}{4}$$(2) $$t = {(\frac{-3}{2})^2}$$
190124 $$B_n$$=$$A_{n+1}$$-$$A_n$$,$$B_{n+1}$$-$$B_n$$=2.$$A_10$$=? 1：$$A_1$$=1,$$A_3$$=3 2：$$A_2$$=2,$$A_4$$=4
190124 Half of the seats in a theater belong to zone A, 1/4 to zone B, and 1/4 to zone C. The price of each ticket in zone A and zone C is 80% and 140% of that in zone B, respectively. What's the average fare for this theater? 1: The price of each ticket in zone B is $25. 2: There are 400 seats in the theatre.
Magoosh Is |x – 6| > 2?Statement #1: |x – 4| > 3Statement #2: |x – 8| > 1
$$\frac{1}{3}+\frac{1}{2}-\frac{5}{6}+\frac{1}{5}+\frac{1}{4}-\frac{9}{20}$$ =
OG16 OG17 OG18 OG19 $$\frac{1}{3}+\frac{1}{2}-\frac{5}{6}+\frac{1}{5}+\frac{1}{4}-\frac{9}{20}=$$
If x and y are positive, is 3x > 7y?(1)x > y + 4(2)-5x< -14y
PREP07 Test 1 If wx = y, what is the value of xy ?(1) $$wx^2 = 16$$(2) y = 4