Use identities to find the exact value of the expression.tan 80° - 

A. Undefined
B. 0
C. 1
D. 80


Answer: B

Mathematics

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A salesman's monthly commission is 20% on all sales over $15,000. If his goal is to make a commission of at least $4,800/month, what minimum monthly sales figures must he attain? ? $ __________

Fill in the blank(s) with the appropriate word(s).

Mathematics

Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log5

A. log5(x + 3) -log5x B. 7log5x -log5(x + 3) C. log5(x + 3) + 7log5x D. log5(x + 3) - 7log5x

Mathematics

Round the number as indicated.87,035 to the nearest thousand

A. 88,000 B. 97,000 C. 87,100 D. 87,000

Mathematics

The given measurements may or may not determine a triangle. If not, then state that no triangle is formed. If a triangle is formed, then use the Law of Sines to solve the triangle, if it is possible, or state that the Law of Sines cannot be used.A = 42°, b = 12, B = 31°

A. The triangle cannot be solved with the Law of Sines. B. No triangle is formed. C. C = 107°, a ? 9.2, c ? 6.5 D. C = 107°, a ? 15.6, c ? 22.3

Mathematics