Solve the problem.For what numbers x, 0 ? x ? 2?, does cos x = -1?
A. ?
B. 
C. 
, 
D. none
Answer: A
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Rationalize the denominator. Assume variables represent non-negative values.
A. 8
B. 
C. 537
D. 
Determine the specific solutions (if any) to the equation on the interval [0, 2?).cos ? = sin ?
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Find the mean for the given sample data.Frank's Furniture employees earned the following amounts last week:
What was the mean amount earned by an employee last week? Round your answer to the nearest cent.
A. $390.50 B. $297.06 C. $341.69 D. $303.72
A thermos is in the shape of a cylinder with a hemispherical cap. The height of the whole thermos (both cylinder and cap) is 20.4 centimeters, while the diameter of the cap is 13 centimeters. Which is the volume of the thermos, including the cap? Use ?=3.14. Round your answer to two decimal places.
