Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 2
D. x2 + 2
Answer: B
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Determine the production vector x that will satisfy demand in an economy with the given consumption matrix C and final demand vector d. Round production levels to the nearest whole number.C = 
, d = 
A. x = 
B. x = 
C. x = 
D. x = 
Solve.5 - 2
= -4
A. 
B. 
C. 
D. 
Write a system of equations in x and y describing the situation. Do not solve the system.One number is 6 more than another number. If you add 10 to 6 times the first number, the result is 7 times the second number.
A. 
B. 
C. 
D. 
A V8 car engine is coupled to a dynamometer and the horsepower y is measured at different engine speeds x (in thousands of revolutions per minute). The results are shown in the table below. Use the regression capabilities of a graphing utility to find a cubic model for the data. Round the numerical values in your answer to three decimal places, where applicable. ????? x 12 3456?y4489144204229249??
A. 
B. 
C. 
D. 
E. 