If , write the expression  in terms of just x.
?

A.
B.
C.
D.
E.


Answer: D

Mathematics

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Evaluate the root, if possible.- 

A. Not real B. -0.005 C. -0.05 D. 0.05

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Solve the problem.The diameter of a tree was 11 in. During the following year, the circumference increased  About how much did the tree's diameter increase? (Leave your answer in terms of ?.)

A.  in.
B.  in.
C.  in.
D.  in.

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Evaluate the expression for the given values of the variables.5x2 + 7y for x = 8, and y = 3

A. 1621 B. 341 C. 1065 D. 101

Mathematics

Use an equation to solve the percent problem.What number is 18% of 42?

A. 756 B. 7.56 C. 0.756 D. 75.6

Mathematics