Find the exact value under the given conditions.sin ? = - , ? < ? < ; tan ? = - ,   < ? < ?Find cos (? + ?).

A.
B.
C.
D.


Answer: A

Mathematics

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Factor when possible. If the polynomial is prime, say so.x2 + 4xy - 32y2

A. (x - 4y)(x + 8y) B. (x + 4y)(x + y) C. (x + 4y)(x + 8y) D. prime

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Solve.Find the area of the figure. Use 3.14 for ?.

A. 292.48 m2 B. 196.48 m2 C. 296.96 m2 D. Not enough data

Mathematics

Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.

A.
B.
C.
D.

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Suppose that the joint cost function for two products is dollars. Find the marginal cost with respect to y. ?

A.
B.
C.
D.
E.

Mathematics