Answer the question or solve the problem.If a ? b, is it always true that a - 7 ? b - 7? Explain.
What will be an ideal response?
Yes, since adding the same number to both sides does not change the inequality.
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Perform the indicated operation.Let A = 
and B = 
. Find 3A + 4B.
A. 
B. 
C. 
D. 
Use the figure to answer the question.This double-bar graph shows the number of male (M) and female (F) athletes at a university over a 
period.
2009201020112012YearWhich year had the smallest number of male athletes?
A. 2011 B. 2012 C. 2010 D. 2009
The volume of a right-circular cylinder of radius r and height h is 
.
?
Suppose the radius and height of the cylinder are changing with respect to time t. At a certain instant of time, the radius and height of the cylinder are 6 and 3 in. and are increasing at the rate of 0.4 and 0.1 in./sec, respectively. How fast is the volume of the cylinder increasing?
?
A. 18 in3/sec B. 10.7 in3/sec C. 22.7 in3/sec D. 9.4 in3/sec
Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by 
What is the cost per ton for x = 200?
A. $309.52 B. $100,000.00 C. $487.50 D. $61,904.76