Simplify the expression and eliminate any negative exponents(s). Assume that all letters denote positive numbers.
Mathematics
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Solve the problems.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 37 questions correct. What was the percent of increase?
A. 32.4% B. 12% C. 48% D. 52%
Mathematics
Solve the problem.A grain dealer sold to one customer 4 bushels of wheat, 6 of corn, and 4 of rye, for $36.20; to another, 6 of wheat, 4 of corn, and 4 of rye, for $36.60; and to a third, 4 of wheat, 4 of corn, and 6 of rye, for $39.20. What was the price per bushel for corn?
A. $3.60 B. $2.10 C. $2.30 D. $2.80
Mathematics
Convert as indicated. If necessary, round to two decimal places.71.1 meters to feet
A. 21.69 ft B. 64.99 ft C. 77.50 ft D. 233.21 ft
Mathematics
Select the graph of 
and the transformation 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics