Use the sum and difference identities to evaluate exactly.cos 

A.
B.
C.
D.


Answer: D

Mathematics

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Graph the equation by determining the missing values needed to plot the ordered pairs.y - x = 2; (2, ), ( , 8), (4, )

A.

B.

C.

D.

Mathematics

Simplify.19.1 ? 5.9 + 12.3 ? 17.2

A. 2149.8 B. 4153.5 C. 5979.1 D. 324.25

Mathematics

Find the distance between (4, 7) and (8, 11).

What will be an ideal response?

Mathematics

Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.3(x - 1) = 17

A. {1.58} B. {6.67} C. {2.73} D. {3.58}

Mathematics