Find the exact value of the expression.cos

A. - 
B.
C. - 
D. - 


Answer: A

Mathematics

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Factor the sum or difference of two cubes.1000y3 - 1

A. (1000y - 1)(y2 + 10y + 1) B. (10y + 1)(100y2 - 10y + 1) C. (10y - 1)(100y2 + 10y + 1) D. (10y - 1)(100y2 + 1)

Mathematics

The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct. ? ?

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

Mathematics

Solve.Meredith got a monthly cable bill for a base rate of $18.30 , an additional $5.10 for a package of movie channels, a charge of  for taxes, and a credit of $14.30 to make up for a billing error the previous month. How much was the cable bill?

A. $43.04 B. $40.04 C. $9.44 D. $11.44

Mathematics

Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.(x - 2)2 = 9

A. Factoring; ±3
B. Square root principle; 5, -1
C. Square root principle or factoring; 11
D. Quadratic formula; 

Mathematics