Write the rational expression in simplest form.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Perform the indicated operations.Estimate by rounding to the nearest thousand, then find the actual sum.
A. Estimate: 66,000 Actual: 64,355 B. Estimate: 64,000 Actual: 64,356 C. Estimate: 64,000 Actual: 64,633 D. Estimate: 65,000 Actual: 64,365
Mathematics
Solve the problems.A quality-control inspector examined 210 calculators and found 15 of them to be defective. At this rate, how many defective calculators will there be in a batch of 14,490 calculators?
A. 69 B. 5 C. 1,035 D. 3,150
Mathematics
Evaluate the logarithm.log2
A. -2
B. -
C. 
D. 2
Mathematics
Solve.x - y + z = -7x + y + z = -3x + y - z = 5
A. (-4, -1, 2) B. (-1, 2, -4) C. (-1, -4, 2) D. (-4, 2, -1)
Mathematics