Solve the problem.The position of a weight attached to a spring is s(t) = -3 cos (7? t) inches after t seconds. What is the maximum height that the weight rises above the equilibrium position?
A. 
in.
B. 3 in.
C. 
in.
D. 7 in.
Answer: B
Mathematics
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Use a calculator to find the trigonometric values. Express your answers in hundredths.cos 37°
A. 0.65 B. 0.77 C. 0.80 D. 0.92
Mathematics
Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 12 cm B. 14.5 cm C. 72.5 cm D. 145 cm
Mathematics
Find the slope of the line passing through the pair of points.
?
?
A. m = -1 B. m = 2 C. m = 1 D. m = 20 E. none of these
Mathematics
Solve the problem.The number of years t it takes for an investment to double if it earns r percent (as a decimal), compounded annually, is t = 
. How long will it take for prices in the economy to double at a 13% annual inflation rate? Round to the nearest year.
A. 23 yr B. 5 yr C. 9 yr D. 6 yr
Mathematics