Factor out the greatest common factor.2x(4x + 3) + 5(4x + 3)
A. (8x + 5)(x + 3)
B. (2x - 5)(4x - 3)
C. (2x + 5)(4x + 3)
D. (8x - 5)(x - 3)
Answer: C
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Find the integer pair that has the given product and sum.Product: -24Sum: -2
A. 6, -4 B. 6, 4 C. -6, -4 D. -6, 4
Verify the identity.
= 
What will be an ideal response?
Solve the problem.Suppose that P(x) represents the percentage of income spent on housing in year x and I(x) represents income in year x. Determine a function H that represents total housing expenditures in year x.
A. H(x) = 
(x)
B. H(x) = (P + I)(x)
C. H(x) = (P ? I)(x)
D. H(x) = (I - P)(x)
Solve the problem.The base radius and the height of a cylindrical can tank were measured at 40 cm and 45 cm.The percentage errors in these measurements do not exceed 0.2 for the base radius and 0.5 for the height. Approximate the worst possible percentage error in the volume of the can. Assume that the sides and ends of the can are of negligible thickness.
A. 0.9% B. 1% C. 0.7% D. 1.4%