Solve the problem.In 13 weeks, the value of Bob Treatman's day trading account decreased by $650. What was the average weekly change in the value of the account?
A. $48 per week
B. -$52 per week
C. -$56 per week
D. -$50 per week
Answer: D
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Find the area of the shaded region in the figure. Round results to the nearest unit.Find the shaded area in the figure.
A. 27.9 cm2 B. 55.8 cm2 C. 158 cm2 D. Not enough information.
Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = -2 and x = 2. The cross sections perpendicular to the x-axis are circles whose diameters stretch from the curve 
to the curve 
A. 81?2
B. 
?2
C. 
?2
D. 81?
Provide an appropriate response. Find the slope of the line that passes through the points (6, 5) and (1, 3).
A. - 
B. 
C. 
D. - 
Solve the problem.Without using a calculator, explain why 2? must be greater than 8 but less than 16.
What will be an ideal response?