Factor by grouping.r2 + 8r + 5r + 40
A. r(r + 53)
B. (r + 8)(r - 5)
C. (r - 8)(r - 5)
D. (r + 8)(r + 5)
Answer: D
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Provide an appropriate response.- 
= 83Is this a linear equation?
A. Yes B. No
Find the slope of the line and write the slope as a rate of change. Don't forget to attach the proper units.The graph shows the total cost y (in dollars) of owning and operating a mini-van where x is the number of miles driven.
A. $4.25 per mile B. cannot be determined C. $21.00 per mile D. $0.24 per mile
Solve.A set of chairs costs $218. The sales tax is $19.62. What is the sales tax rate and what is the total price paid?
A. 10%, $237.62 B. 9%, $237.62 C. 0.9%, $237.62 D. 11%, $237.62
For the given functions f and g, find the indicated composition.f(x) = 
, g(x) = x - 4(g?g)(x)
A. x B. x + 5 C. (x - 4)2 D. x - 8