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题目： If $$f(x) = x^3 - 5$$ and f(k) = 3 then k =

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题目： Ten students wrote a test, and the distribution of scores is shown on the frequency table. If the average (arithmetic mean) score is 62, what is the value of x ?

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题目： At Joe's candy store, the total cost of 1 gumball and 1 lollipop is $0.74. The total cost of 1 chocolate bar and 1 lollipop is $0.92. The total cost of 1 gumball and 1 chocolate bar is $1.24. What is the cost in dollars of 1 chocolate bar?

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题目： Three friends are buying a gift for a friend. Declan contributes 4 dollars more than$$\frac{1}{4}$$ the cost of the gift, Ed contributes 1 dollar less than $$\frac{1}{3}$$ the cost of the gift, and Frank contributes the remaining 22 dollars. What is the cost of the gift?

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题目： ABCD is a square with sides of length y, and JKLM is sides of length x. If Rectangle S (not shown) with length (x + y) has the same area as the shaded region above, what is the width of Rectangle S?

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题目： If a, b, c and d are different integers between -6 and 10 inclusive, what is the least possible value of the product abcd?

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题目： A box contains 4 red chips and 2 blue chips. If two chips are selected at random without replacement, what is the probability that the chips are different colors?

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题目： If 3xm + 2ym - 2yn - 3xn = 0 and $$m\neq n$$ , then what is the value of y in terms of x?

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题目： M is a positive two-digit number. When the digits are reversed, the number is N. If K = M + N, which of the following is true?

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题目： 0.25% =

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题目： Which of the following inequalities is equivalent to 12 - 3x < -18

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题目： $$(3x10^{20})(8x10^{30})$$=

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题目： If k is an integer and $$k =\frac{462}{n}$$ , then which of the following could be the value of n?

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题目： $$If x^{4} = y^{16}$$, then y =

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题目： Which of the following best represents the quotient$$\frac{ P}{Q}$$?