Combine like terms whenever possible. Write the result with descending powers.4y7 + 9y6
A. 13y7
B. 13y13
C. Cannot be simplified
D. 13y6
Answer: C
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Divide. Write with positive exponents.
A. 2x3 + 24x8 - 15x6 + 15x4 + 8x3
B. 2x3 + 8x2 - 5
C. 6x9 + 8x2 - 5 + 
+ 
D. 2x3 + 8x2 - 5 + 
+ 
Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by y = 8
, y = 8, and x = 0 about the line x = 1
A. 
?
B. 
?
C. 
?
D. 
?
Solve the problem. Use 3.14 for ?. Round to the nearest tenth.The foundation for a cylindrical storage shed is a cylinder 29 yd in diameter and 5 yd high. How many cubic yd of concrete are needed to build the foundation?
A. 6601.9 yd3 B. 13,203.7 yd3 C. 3300.9 yd3 D. 910.6 yd3
A secretary and a treasurer of a club are to be selected from Alice, Bill, Kesha, and Dave. Draw a tree diagram showing the different ways three selections can be made.
What will be an ideal response?