Use Pythagorean identities to find the indicated function value.cos ? = - , 180° < ? < 270°; find sin ?

A. -
B. -
C. -
D. -

Answer: D

Mathematics

Solve the problem.What is the largest possible volume of an open metal box made from 75 ft2 of tin? Ignore the thickness of the tin.

A. 31.2 ft3 B. 125.0 ft3 C. 62.5 ft3 D. 12.5 ft3

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Mathematics

Use the rules for exponents to rewrite the expression and then evaluate the new expression.

A. 0 B. -12 C. 1 D. -4

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Mathematics

Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log19

A. log₁₉5 - 2 log₁₉y - log₁₉x
B. log₁₉5 - 2 log₁₉y - 2 log₁₉x
C. log₁₉5 - log₁₉y - log₁₉x
D. 6 log₁₉5 - 2 log₁₉y - log₁₉6

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Mathematics

Divide, if possible. If not possible, write "not defined."

A. 4 R7 B. 5 C. 4 R6 D. 6

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Mathematics