Find the product.(3.1x - 8y)(3.2x + 7y)
A. 9.92x2 - 56y2
B. 9.92x - 3.9xy - 56y
C. 9.92x2 - 47.3xy - 56y2
D. 9.92x2 - 3.9xy - 56y2
Answer: D
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Find the root.
A. 8 B. 4 C. -4 D. Not a real number
Solve the problem.Don runs a charity fruit sale, selling boxes of oranges for $11 and boxes of grapefruit for $10. If he sold a total of 762 boxes and took in $8125 in all, then how many boxes of oranges did he sell?
A. 383 boxes B. 505 boxes C. 257 boxes D. 458 boxes
Refer to the circle graph to solve the problem.Time Required to Install Carpeting in a House (Work Shift = 8 hours) 
In which activity was the greatest amount of time spent? How many hours did this activity take?
A. Installing new carpet; 3 hours
B. Moving furniture; 
hours
C. Cleaning up; 
hour
D. Removing old carpet; 1 hour
Determine algebraically whether the function is even, odd, or neither even nor odd.f(x) = 
A. Even B. Odd C. Neither