Rewrite using a positive exponent. Evaluate, if possible.
A. 
B. x-6
C. 6x
D. x6
Answer: D
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The following table shows the average rice yield Y, in tons per hectare, on Asian farms t years after 1980. Based on the regression equation, what would you expect to be the average rice yield in 2012? t 5 10 20 25Y 3.39 3.64 3.97 4.13? ?
A. 5.19 tons per hectare B. 4.99 tons per hectare C. 5.18 tons per hectare D. 4.52 tons per hectare
Solve the problem.If the price charged for a candy bar is p(x) cents, then x thousand candy bars will be sold in a certain city, where p(x) = 100 - 
. How many candy bars must be sold to maximize revenue?
A. 1800 thousand candy bars B. 3600 thousand candy bars C. 1800 candy bars D. 3600 candy bars
Solve for the indicated variable.F = 
C + 32, for C
A. C = 
(F - 32)
B. C = 
C. C = 
D. C = 
(F - 32)
Find the perimeter. Use 3.14 for ?.
A. 106.76 cm B. 174.76 cm C. 140.76 cm D. 53.38 cm