Write the expression in lowest terms.
A. -r + s
B. r + s
C. -r - s
D. -1
Answer: C
Mathematics
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Find 
.e3y = cos (6x +y)
A. 
B. 
C. ln cos (6x + y)
D. 
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Use the order of operations to evaluate each problem.5 ? 9 - 5
A. 40 B. 225 C. 20 D. 50
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Provide an appropriate response.Evaluate and express to the nearest ten-thousandth: log 40
A. 0 B. 2.3539 C. 1.6021 D. 3.6889
Mathematics
Convert as indicated. When necessary, round to the nearest tenth of a degree.91° F to degrees Celsius
A. 195.8° C B. 32.8° C C. 106.2° C D. 82.6° C
Mathematics