Simplify. Assume that all variables represent nonnegative numbers.

A. t6
B. t13
C. t7
D. t26

Answer: A

Mathematics

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?Write the following expression:  Think of a number. Subtract 9 from it. Divide the result by 5. Multiply by 5. Add 9. Which of the following describes this expression, given that the number you were thinking of was "x"? ?

A.

?x


B.

?


C.

?


D.

?If x = 12, then the result is 12.


E.

?a, b, and d only


F.

?b and d only


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Write the radical in exponential form and then simplify. Write the answer in exponential form.2

A. x2/3 B. x8/3 C. x3/2 D. x3/8

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Write the equation of a sine function that has the given characteristics.The graph of y = , shifted 4 units upward

A. y =  + 4
B. y =  - 4
C. y = 
D. y = 

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Find the slope of the line. 

A. -1 B. 1 C. 3 D. -3

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