Use a Pythagorean identity to find the exact value of the expression.Given csc t = -7 and tan t > 0, find cot t.

A. cot t = 5
B. cot t = 6
C. cot t = 8
D. cot t = 4

Answer: D

Mathematics

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A. ln 7
B.
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Solve the problem.The perimeter of a rectangle is 28 cm. The length is 10 cm longer than the width. What are the length and width of the rectangle?

A. Length: 14 cm; width: 4 cm B. Length: 19 cm; width: 9 cm C. Length: 10 cm; width: 2 cm D. Length: 12 cm; width: 2 cm

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The graph of a function f is given. Use the graph to answer the question.What is the domain of f?

A. {x|-60 ? x ? 55} B. {x|x ? 0} C. {x|-50 ? x ? 50} D. all real numbers

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Solve.1 - 3x ? 7 or 5x + 3 ? -17

A. [-4,?) B. (-?,?) C. [-2,?) D. [-4,-2]

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