Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.
A. 
B. 31
C. 23
D. 32
Answer: D
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 4, u '(1) = -7, v(1) = 6, v '(1) = -3.
at x = 1
A. - 
B. - 
C. - 5
D. - 
Provide an appropriate response.The payoff table for three possible courses of action A1, A2, and A3 is given below.pi?A1xi?A2xi?A3xi?.3$70$40$50.2$100$120$110.1$160$140$90.4$80$140$160Which course of action will produce the largest expected value? What is it?
What will be an ideal response?
Determine whether the lines are parallel, perpendicular, or neither.7x + 9y = -15
x + y = -13
A. parallel B. perpendicular C. neither
An electric hoist is being used to lift a beam. The diameter of the drum on the hoist is 16 inches, and the beam must be raised 2 feet. Find the number of degrees through which the drum must rotate. Round your answer to nearest whole number.
?
?a = 16, b = 2
?
A. ? ? ?177° B. ? ? ?172° C. ? ? ?162° D. ? ? ?167° E. ? ? ?192°