Solve the problem.Pennies are packaged 50 in a roll. A mother gave her son 78 pennies for his bank and had 22 pennies left over. How many rolls of pennies did she use?
A. 4 rolls
B. 5 rolls
C. 3 rolls
D. 2 rolls
Answer: D
Mathematics
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Convert 7 feet to centimeters. Round to the nearest hundredth.
A. 700.00 cm B. 2,296.56 cm C. 213.36 cm D. 22.97 cm E. 2,133.60 cm
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Integrate the function.
dx
A. ln 
+ 
+ C
B. 
ln 
- sin-1 
+ C
C. x + ln 
+ 
+ C
D. 
ln 
- 
+ C
Mathematics
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 5x, y = - 
, x = 1
A. 
?
B. 
?
C. 
?
D. 26?
Mathematics
Subtract.(10x2 - 1) - (-x3 + 6x2 + 4)
A. 11x3 + 6x2 - 5 B. x3 + 16x2 + 3 C. x3 + 4x2 - 5 D. 11x3 + 5x2 - 4
Mathematics