Use a vertical format to find the product.7y2 - 7y + 9
A. -35y3 - 77y2 + 45y
B. 21y3 + 35y2 - 29y - 72
C. -35y3 + 35y2 - 45y
D. 21y3 - 77y2 + 83y - 72
Answer: D
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Find the conjugate of the complex number. Then multiply the complex number by its conjugate.-9 + 6i
A. -3; 117 B. -15; 117 C. -9 + 6i; 117 D. -9 - 6i; 117
Solve.A landscaping company sells 40-pound bags of top soil. The actual weight x of a bag, however, may differ from the advertised weight by as much as 0.75 pound. Write an inequality involving absolute value that expresses the relationship between the actual weight x of a bag and 40 pounds. Solve the inequality, and express the answer in interval form.
A. |x|- 40 ? 0.75 ; (-?, 40.75] B. |x + 0.75| ? 40; [39.25, ?) C. |40 + x| ? 0.75; [39.25, 40.75] D. |40 - x|? 0.75; [39.25, 40.75]
Solve the equation.
= p + 5
A. x = 3
B. x = -3
C. x = 8
D. x = - 
Multiply.(3p2 + 5q2)(3p2 - 5q2)
A. 9p4+ 25q4 B. 9p4 - 25q4 C. 9p4 - 30p2q2 - 25q4 D. 9p4 + 30p2q2 - 25q4