Find the exact value of the expression without using a calculator.

A. - 
B. - 
C. - 
D. -2


Answer: A

Mathematics

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Perform the division and simplify. ?   ?

A.
B. ?
C. ?
D. ?
E. ?

Mathematics

Use the FOIL method to find the product. Express the product in descending powers of the variable.(x - 2)(x2 + 6)

A. x3 + 6x2 - 2x - 12 B. x2 + 4x - 12 C. -2x2 + x - 12 D. x3 - 2x2 + 6x - 12

Mathematics

Find the first term a1 and the common difference d of the arithmetic sequence.an = 6n + 7

A. a1 = 13, d = 7 B. a1 = 7, d = 19 C. a1 = 19, d = 13 D. a1 = 13, d = 6

Mathematics

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?

A.  in.
B.  in.
C.  in.
D.  in.

Mathematics