Multiply or divide as indicated.-10 ? (-8)
A. -90
B. 90
C. 88
D. 80
Answer: D
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Add using a vertical format.(5k2 - 8k - 2) + (8k2 - 8k - 2)
A. 13k2 - 8k - 4 B. 13k2 - 16k - 4 C. 13k4 - 16k2 - 4 D. 40k2 - 8k - 4
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimate exact
A. Estimate: 14,000; exact: 14,577.74 B. Estimate: 15,000; exact: 15,577.74 C. Estimate: 14,000; exact: 14,477.74 D. Estimate: 15,000; exact: 15,477.74
Match the situation to the graph that models it best.The amount of money y spent on x items having the same cost
A. 
B. 
C. 
D. 
Write the first five terms of the arithmetic sequence.a1 = 14; d = -3
A. 14, 11, 8, 5, 2 B. 18, 14, 10, 6, 2 C. 0, 14, 11, 8, 5 D. -14, -11, -8, -5, -2