单项选择题

If x is positive and y is two greater than the square of x, which of the following expresses x in terms of y

A.

B.

C.

D. X=y2+2
E. x=y2-2
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多项选择题
A colored marble is to be chosen at random from a bag of marbles. The probability that the marble chosen will be green is . Which of the following numbers could NOT be the total number of marbles in the bag Select all such numbers.
A．64
B．72
C．110
单项选择题
If the volume of a cube is 64, what is the surface area of the cube
A．16
B．24
C．64
D．72
E．96
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