Find a4 for the sequence described.Geometric, with a5 = 64 and a7 = 81
A. 
or - 
B. 
or - 
C. 72 or - 72
D. 
or - 
Answer: B
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Write the inverse of the statement.If it is a cat, then it catches birds.
A. Not all cats catch birds. B. If it catches birds, it's a cat. C. If it's not a cat, it doesn't catch birds. D. If it doesn't catch birds, it's not a cat.
Solve the problem.Linda took her car in to be serviced. In addition to an oil change which cost $35, she purchased four new tires at a cost of 47 dollars plus 
installation each. What was her total bill?
A. $223 B. $86 C. $227 D. $239
Find the vertical asymptotes, if any, of the graph of the rational function.f(x) = 
A. x = 2, x = -2 B. no vertical asymptote C. x = -2 D. x = 2
Solve the problem.Assume that the volume of Earth is5 × 1014 cubic meters and the volume of a bacterium is2.5 × 10-16 cubic meters. If Earth could be filled with bacteria, how many would it contain?
A. 5.0 × 1031 bacteria B. 2.0 × 10-30 bacteria C. 2.0 × 1030 bacteria D. 5.0 × 10-31 bacteria