Translate the sentence to an equation using x as the variable. Do not solve the equation.A number increased by eight is negative fifteen.
A. x - 8 = -15
B. x - 15 = 8
C. 8 - x = -15
D. x + 8 = -15
Answer: D
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Add or subtract vertically.Subtract -x3y3 + x2y2 - x2y - 4x + 4 from 7x3y3 + 6x2y2 - x2y + xy2 + 4x + 2.
A. 8x3y3 + 7x2y2 - 2x2y + xy2 + 6 B. 8x3y3 + 7x2y2 + x2y + 8x - 2 C. 8x3y3 + 5x2y2 + 2xy2 - 2 D. 8x3y3 + 5x2y2 + xy2 + 8x - 2
Determine whether perimeter or area is the most appropriate measure needed for a solution.You are determining the quantity of fencing needed to fence in your backyard.
A. Perimeter B. Area
Perform indicated operation and round as indicated.160.45 ÷ 1.6 round to two decimal places
A. 10.08 B. 10.03 C. 100.78 D. 100.28
Find the prime factorization of the given composite number.684
A. 2 ? 2 ? 2 ? 3 ? 3 ? 19 B. 2 ? 2 ? 2 ? 2 ? 19 C. 2 ? 2 ? 3 ? 3 ? 19 D. 3 ? 3 ? 3 ? 3 ? 19