A is an input-output matrix of an industry and D is the demand matrix. Find the amount of each product that must be produced in order to meet the demand.
What will be an ideal response?
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Find an exponential model for the following data set. Round your answer to two decimal places. t 0 2.13 4.26 6.39 y 61.09 37.98 23.61 14.68?
A. ?
B. ?
C. ?
D. ?
Write as ordinary numbers.1.455 × 10-5
A. 0.0001455 B. 0.000001455 C. -145,500 D. 0.00001455
Describe the given set of points with a single equation or with a pair of equations.The circle of radius 2 centered at the point (0, -9, 8) and lying in a plane perpendicular to the 
A. 
2+ 
2+ 1 = 22
B. 
2 + 
2 = 22 and x = 0
C. (y + 9)2 + (z - 8)2 = 22 and x = 0
D. (y + 9)2 + (z - 8)2 = 22 and y + z = -1
Find principal to the nearest dollar, rate to the nearest tenth of a percent, or time to the nearest day. Use banker's interest.Hank Wilkins invested $4,400 in a mutual fund containing bonds. Find the rate given that he earned 
in 300 days.
A. 9% B. 9.5% C. 9.8% D. 8.5%