Add. Use a number line only as a check.-83 + 29
A. 54
B. -54
C. 112
D. -112
Answer: B
Mathematics
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Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 1
Mathematics
Factor completely.t3 + 1000
A. (t + 10)(t2 - 10t + 100) B. (t - 10)(t2 + 10t + 100) C. (t - 1000)(t2 - 1) D. (t + 10)(t2 + 100)
Mathematics
Find the root.
A. 2 B. 8 C. Not a real number D. 4
Mathematics
Solve the problem.Approximate the area under the graph of f(x) = x2 - 3x + 4 from 1 to 5 by partitioning the interval into 4 subintervals of equal length and choosing t to be the left endpoint.
A. 16 B. 20 C. 28 D. 30
Mathematics