Find the product.10x(10x + 7)
A. 100x2 + 70x
B. 100x2 + 7x
C. 170x2
D. 10x2 + 70x
Answer: A
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Evaluate the expression according to the replacement value given.xy ÷ 4; replace x with 16 and y with 8.
A. 96 B. 128 C. 32 D. 64
Solve.Tom ran 400 yd in the same amount of time that Raul ran 404 meters. Who ran further? By how much? Give your answer in meters. Round to the nearest tenth of a meter if necessary.
A. Tom ran 32 meters further than Raul B. Tom ran 30.7 meters further than Raul C. Raul ran 38.4 meters further than Tom D. Raul ran 40.4 meters further than Tom
Use mathematical induction to prove the following.6 + 12 + 18 + . . . + 6n = 3n(n + 1)
What will be an ideal response?
Simplify the radical expression by factoring out the largest perfect nth power. Assume that all variables are positive.- 
A. xy
B. -3xy
C. 3xy
D. -3xy