Solve the problem.Suppose the following matrix represents the input-output matrix of a primitive economy. How much of each commodity should be produced to produce 5 bushels of yams and 1 pigs?
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Answer: D
Mathematics
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Find the slope and y-intercept of the line.y = 2x + 8
A. Slope -2, y-intercept 8 B. Slope 8, y-intercept 2 C. Slope 2, y-intercept 8 D. Slope 8, y-intercept -2
Mathematics
Solve the problem.A sphere has a 8 in. diameter. What is its volume to the nearest hundredth?
A. 2143.57 in.3 B. 267.95 in.3 C. 150.72 in.3 D. 66.99 in.3
Mathematics
Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers.x = 
for r
A. r = ±
B. r = ±
C. r = x + y
D. r = ±
Mathematics
For the given function, find the indicated function value.For f(x) = 
, find f(-3).
A. 3
B. Does not exist as a real number
C. 
D. 2
Mathematics