Use your estimation skills to pick the most reasonable answer. Do not solve the problem.9.9 - 0.012
A. 9.888
B. 0.09888
C. 0.9888
Answer: A
Mathematics
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Evaluate the integral.
A. 
B. 58
C. 
D. 
Mathematics
Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.-2x - 5y - 3z = -6 and 2x + 2y - 9z = 3
A. 1.202 rad B. 1.345 rad C. 0.225 rad D. 1.398 rad
Mathematics
Identify the figure as a line, a ray, a line segment, or an angle. Then name the figure using the given points.
A. angle; ?WVZ B. angle; ?WZV C. angle; ?VWZ D. angle; ?ZVW
Mathematics
Evaluate the expression.6 + (-19) - 9 - (-8) + 18
A. 8 B. -12 C. 6 D. 4
Mathematics