Perform the indicated operation.Find the sum of (8 + 4n7 - 3n5) and 
A. 32n12
B. 13n7 + 6n5 + 13
C. 17n7 + 13n5 + 2
D. 13 + 6n7 + 13n5
Answer: B
Mathematics
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Evaluate the expression. Write your answer without negative exponents.3-1 - 4-1
A. - 1
B. - 
C. -1-1
D. 
Mathematics
Express the number in terms of powers of the numbers in the expression.2 ? 5 ? 2 ? 5
A. 22 ? 52 B. 24 ? 54 C. 2(2) ? 2(5) D. 2 ? 5
Mathematics
Compute.7 ft - 4 ft 9 in.
A. 2 ft 11 in. B. 3 ft 8 in. C. 2 ft 9 in. D. 2 ft 3 in.
Mathematics
Each number below is the number of miles the Hoover family has driven in a week. Determine the frequency of the class interval for this data. 
Miles Driven
A. 5 B. 6 C. 4 D. 7
Mathematics