Multiply.27 ? (-48)
A. -1323
B. -1396
C. -1296
D. 1296
Answer: C
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Find the derivative.y = e3x2 + x
A. 6xe3x2 + 1 B. 6xe + 1 C. 6xex2 + 1 D. 6xe2x + 1
Solve the problem.Barbara knows that she will need to buy a new car in 4 years. The car will cost $15,000 by then. How much should she invest now at 10%, compounded quarterly, so that she will have enough to buy a new car? Round to the nearest cent.
A. $12,340.54 B. $9313.82 C. $10,104.37 D. $11,269.72
Find all solutions of the equation in the interval [0, 2?).csc2 = 2
A. 
B. 
C. 
D. 
Solve the problem.A chemist needs 70 milliliters of a 65% solution but has only 59% and 73% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 27 ml of 59%; 43 ml of 73% B. 43 ml of 59%; 27 ml of 73% C. 30 ml of 59%; 40 ml of 73% D. 40 ml of 59%; 30 ml of 73%