Use the Quotient Rule to simplify. All variables are nonzero.
A. 
B. 
C. 
D. 
Answer: C
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Several groceries reported differing prices for a bread. The prices are as follows: 2.8, 2, 2.5, 2.7, 3, 2, 2.4, 2.2, 2.7. Find the mean, median, and mode of the prices for a bread. Then find the range of the prices.
A. mean: $3.48, median: $3.5, mode: $1.7, range: $2 B. mean: $2.48, median: $2.5, mode: $2.7, range: $1 C. mean: $1.48, median: $4.5, mode: $3.7, range: $3 D. mean: $4.48, median: $1.5, mode: $4.7, range: $0.1 E. mean: $0.48, median: $5.5, mode: $0.7, range: $4
Find the center of mass of a thin plate covering the given region with the given density function.The region between the curve y = 
and the x-axis from x = 1 to x = 9, with density ?(x) = 
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 5, 
= 
D. 
= 
, 
= 
Factor by grouping.xy + y + 9x + 9
A. (x + 1)(y + 9) B. (x + 9)(y + 1) C. (x + 1)(9y + 9) D. (9x + 9)(y + 1)
Solve.Carole's car averages 14.5 mi/gal in city driving and 22.1 mi/gal in highway driving. If she drove a total of 651.2 mi on 36 gal of gas, how many of the gallons were used for city driving?
A. 22 gal B. 19 gal C. 17 gal D. 21 gal