Determine if the sequence is geometric. If the sequence is geometric, find the common ratio.4, 16, 64, 256, 1024, . . .
A. yes, -4
B. yes, 4
C. yes, 
D. no
Answer: B
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Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a cylinder with radius 8 in. and height 8 in.
A. 201 in.3 B. 401.9 in.3 C. 1607.7 in.3 D. 6430.7 in.3
Write the complex number in the form a + bi.
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Solve the problem.An electrician is working on a project for which she will need to run straight conduit pipe for lengths of 20 feet, 70 feet, and 140 feet. She wants to precut pieces of pipe to one standard length so that she can connect the pieces to obtain the three lengths she needs. What is the longest length that she can make the precut pieces?
A. 8 ft. B. 5 ft. C. 12 ft. D. 10 ft.
Find the product and write the answer in simplest form. Assume variables represent nonnegative values.
? 
A. 
B. 
C. 
D. 