Factor by grouping.18a3 - 15a2b + 12ab2 - 10b3
A. (18a2 + 2b2)(a - 5b)
B. (3a2 + 2b2)(6a - 5b)
C. (3a2 + 2b)(6a - 5b)
D. (3a2 - 2b2)(6a + 5b)
Answer: B
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Solve the problem.Brad invests $1500 in an account paying 3.5% compounded monthly. How much is in the account after 7 months?
A. $1530.41 B. $1908.42 C. $1502.55 D. $1530.89
Solve the problem.The weight of a liquid varies directly as its volume V. If the weight of the liquid in a cubical container 4 cm on a side is 192 g, find the weight of the liquid in a cubical container 5 cm on a side.
A. 15 g B. 125 g C. 375 g D. 105 g
Evaluate by finding the least common denominator. Simplify if possible.
+ 
A. - 
B. - 
C. 
D. 
Solve the problem.Suppose that the speed of a particle moving on the x-axis at time t seconds 
is given by: V(t) = t3 - 8t2 + 15t + 10By sketching a graph of C(t), estimate at what time the speed of the particle is a minimum.
A. At about t = 5 seconds B. At about t = 4 seconds C. At about t = 6 seconds D. At about t = 3 seconds