Convert the units using unit fractions.480 sec = 
min
A. 8
B. 20
C. 15
D. 4
Answer: A
Mathematics
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Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
2
A. x + 14
+ 100
B. x + 14
+ 46
C. x + 14
+ 49
D. x + 14
+ 52
Mathematics
Express as a product.log c K-5
A. log c K ? log c 
B. -5 log c K
C. K log c 
D. log c K ? log c K
Mathematics
Multiply.
× 
A. 
B. 
C. 
D. 
Mathematics
What percent of 4,000 is 2,200? ?
A. 55% B. 30% C. 80% D. 16% E. 50%
Mathematics