Factor.125r3 - 216
A. (5r + 6)(25r2 + 30r + 36)
B. (5r - 6)(25r2 - 30r - 36)
C. (5r - 6)(25r2 + 30r + 36)
D. (5r - 6)(25r2 - 36)
Answer: C
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Subtract.7 - 2.408
A. 4.792 B. 4.562 C. 4.593 D. 4.592
Solve the equation.log (x + 5) = log (4x + 2)
A. 
B. 
C. 
D. 
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How fast was he driving?518 miles per hour
A. Reasonable B. Unreasonable, should be 51.8 miles per hour C. Unreasonable, should be 5180 miles per hour D. Unreasonable, should be 5.18 miles per hour
Factor the polynomial completely.x4 + 10x2 + 16
A. (x2 - 2)(x2 + 8) B. (x2 - 2)(x2 + 1) C. (x2 + 2)(x2 + 8) D. Prime