Use the product rule to multiply. Assume all variables represent positive real numbers.
? 
A. -2m
B. 5m
C. 6m2
D. 6
Answer: C
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Find d2y/dx2 without eliminating the parameter.x = 5t2, y = 
t3; t ? 0
A. 
B. 
t
C. 
t
D. 
Write an algebraic equation and use it to solve the problem.The length of a rectangular room is 8 feet longer than twice the width. If the room's perimeter is 196 feet, what are the room's dimensions?
A. Width = 35 ft; length = 78 ft B. Width = 60 ft; length = 136 ft C. Width = 45 ft; length = 53 ft D. Width = 30 ft; length = 68 ft
Find the amount to be paid by the insurance company. Assume the policy includes an 80% coinsurance clause. Round to the nearest dollar.Replacement Cost of Building: $367,000Face Value of Policy: $257,000Amount of Loss: $2,200
A. $2,200 B. $1,926 C. $1,760 D. $2,514
Add or subtract.(7 + 7i) - (-2 + i)
A. 9 + 6i B. -9 - 6i C. 9 - 6i D. 5 + 8i