Special products can be illustrated by using areas of rectangles. Use the figure to justify the special product 
Give the monomial that represents the sum of the areas of the gray rectangles.
A. 2ab
B. b2
C. ab
D. a2
Answer: A
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Construct a truth table for the given compound statement.(t ? p) ? (~t ? ~p)
A. 
B. 
C. 
D. 
Determine whether the variation between the indicated quantities is direct or inverse.The distance traveled by you in a car and the time taken to drive this distance
A. Direct B. Inverse
Solve the given third- or fourth-order differential equation.D4y - 25 D2y + 144y = 0
A. y = c1e4x + c2e-4x + c3e3x + c4e-3x B. y = c1e4x + c2e3x C. y = c1 + c2e-4x + c3e3x + c4e-3x D. y = c1e-4x + c2e-3x
Solve the problem using the loan payoff table or an amortization table.
A new fax machine cost Miller Ltd. $2,759. They are to pay it off in 18 months at 8% interest. What will each monthly payment be, and how much interest will they pay on the loan?
A. $126.03, $490.46 B. $124.79, $512.78 C. $164.44, $200.92 D. $163.17, $178.06