Simplify. Express the answer using positive exponents.
A. t3
B. t11
C. t-11
D. t-3
Answer: A
Mathematics
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Solve.logx 81 = 4
A. 4 or -4 B. 3 or -3 C. 3 D. 4
Mathematics
Solve the problem.A field microphone used at a soccer game has a parabolic cross section and is 16 in. wide at the opening. The focus is 16 in. from the vertex. Find the depth of the microphone.
A. 16.00 in. B. 4.00 in. C. 0.44 in. D. 1.00 in.
Mathematics
Use the table to find the probability.The following table indicates the preference for different types of soft drinks by three age groups.
If a person is selected at random, find the probability that the person is over 40 years of age given that they drink root beer.
A. 
B. 
C. 
D. None of the above is correct.
Mathematics
Identify the numerical coefficient of the term.4xyz
A. 0 B. 1 C. 4 D. -1
Mathematics