Find the exact value of the expression.sin 165°

A. -( - 1)
B.
C. - 
D. -( + 1)


Answer: B

Mathematics

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Solve. Write the answer in simplest form.Jennifer is building some shelves and requires 18 pieces of wood that are each 1 feet long. What is the total length of wood that Jennifer needs?

A. 18 feet
B. 26 feet
C. 162 feet
D. 19 feet

Mathematics

Provide an appropriate response.In a normal distribution, 95% of the data will fall within three standard deviations of the mean.

A. True B. False

Mathematics

Use the multiplication principle to solve the problem.If 5 newborn babies are randomly selected, how many different gender sequences are possible?

A. 120 B. 25 C. 32 D. 10

Mathematics

Using the illustration, find the measure of each acute angle for the right triangle below. Answers are rounded using the appropriate rule for significant digits.b = 20.72 m, c = 46.92 m 

A. A = 17.85 o, B = 72.15 o B. A = 31.21 o, B = 58.79 o C. A = 23.71 o, B = 66.29 o D. A = 63.79 o, B = 26.21 o E. A = 36.62 o, B = 53.38 o

Mathematics