Find all solutions to the equation.cos2 x = 0.8(Use a calculator. Express your answer in radians as a decimal rounded to the nearest thousandth.)
A. 
B. 
C. 
D. 
Answer: A
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Solve.A bacteria culture measures 112 millimeters at its widest point. How many centimeters wide is the culture?
A. 1120 cm B. 1.12 cm C. 11.2 cm D. 11,200 cm
Solve the problem.The batting averages of some of the players on the company softball team are src="https://sciemce.com/media/4/ppg__tttt0618191413__f1q48g7.jpg" alt="" style="vertical-align: -4.0px;" /> What is the mean of the batting averages of these players? Round to the nearest thousandth.
A. 0.265
B. 0.241
C. 0.309
D. 0.278
and
Use the intersection-of-graphs method to approximate the solution to the nearest hundredth.-10?x - 3
= 0.24?x + 
A. {0.15} B. {-0.15} C. {-3.23} D. ?
Approximate the surface area of the figure using 3.14 for ?. If necessary, round to the nearest tenth.
A. 854.1 in.2 B. 477.3 in.2 C. 1155.5 in.2 D. 238.6 in.2