Use the given matrices to compute the given expression.Let B = 
. Find -2B.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Convert the units using unit fractions.7 ft = 
in.
A. 28 B. 252 C. 21 D. 84
Mathematics
Use the properties of logarithms to evaluate the expression without the use of a calculator.log9 93
A. 27 B. 9 C. 1 D. 3
Mathematics
Find the percent using a proportion. Round your answer to the nearest tenth if necessary.93.5 feet is what percent of 5 feet?
A. 1870% B. 18,700% C. 0.5% D. 5.3%
Mathematics
The following figures are similar. For the pair, find the length of the side indicated by x.
A. 15 in. B. 0.24 in. C. 150 in. D. 2.4 in.
Mathematics