Use an equation to solve the problem.Pennies are packaged 50 in a roll. A mother gave her son 161 pennies for his bank and she had 39 pennies left over. How many rolls of pennies did she use?
A. 5 rolls
B. 7 rolls
C. 6 rolls
D. 4 rolls
Answer: D
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Solve the problem.The formula for the volume of a wire is ?r2h, where r is the radius of the wire and h is the length. Find the volume of a wire if 
units and 
units.
A. 130 units3 B. 29,800 units3 C. 30,000 units3 D. 129 units3
Integrate the function.
dt
A. - 
+ C
B. - 
+ C
C. - 
+ C
D. - 
+ C
Perform the indicated operation. Write the answer in scientific notation.(9 × 102) ÷ (3 × 10-4)
A. 3 × 106 B. 3 × 10-2 C. 6 × 10-2 D. 6 × 106
Find the function.Find the function that is finally graphed after the following transformations are applied to the graph of 
The graph is shifted up 6 units, reflected about the x-axis, and finally shifted right 2 units.
A. y = -
- 6
B. y = 
+ 6
C. y = -
- 6
D. y = -
+ 6