Factor completely.

A.
B.
C.
D. prime
E. none of these


Answer: D

Mathematics

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Use a ruler, protractor, and compass to construct, when possible, a triangle with the stated properties. Determine whether one triangle can be constructed, two or more noncongruent triangles can be constructed, or no triangle can be constructed.A triangle with sides of length 7 cm and 13 cm and an angle of 86°.

A. No triangle can be constructed. B. Exactly one triangle can be constructed. C. Two or more noncongruent triangles can be constructed.

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Below are entries in a checkbook. Find the errors in the balance calculations and report the correct final balance for your answer.

A. $9087.24 B. $6690.78 C. $6875.62 D. $9047.24

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Determine whether the graph is a tree.

A. tree B. not a tree

Mathematics

Solve the problem.A cable TV company charges $25 for the basic service plus $8 for each movie channel. Let C(x) be the function representing the total cost in dollars of subscribing to cable TV, using x movie channels. (a) Find the function C(x). (b) Suppose the cost per movie channel doubles. Write the resulting cost function D in terms of C.

A. (a) C(x) = 8x - 25 (b) D(x) = 2C(x) B. (a) C(x) = 8x + 25 (b) D(x) = 2C(x) C. (a) C(x) = 8x + 25 (b) D(x) = C(2x) D. (a) C(x) = 25x + 8 (b) D(x) = C(2x)

Mathematics