Evaluate the expression.
A. 7!
B. 7
C. 
D. 1
Answer: B
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Solve the problem.Technology matrix A, representing interindustry demand, and matrix D, representing consumer demand for the sectors in a two-sector economy, are given. Use the matrix equation 
to find the production level X that will satisfy both demands.A = 
, D = 
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Estimate the sum or difference by first rounding to the nearest ten.543
A. 470 B. 465 C. 500 D. 460
In the figure, the distance from A to D is y, the distance from D to C is x, and the distance from C to B is h.
?
?
If 
, 
, 
, and 
, find x, then y.
?
Apply the rules regarding the use of significant digits when determining your answer.
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__________
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__________
What will be an ideal response?
Solve the problem.The following table shows the number of dog collars, in thousands, produced by Allied Pet Products in the three years considered. Find a function of the form f(x) = ax2 + bx + c that fits this data. Using this function, what would you predict the dog collar production of Allied Pet Products to be in year 27? 
A. 100,100 collars B. 49,700 collars C. 69,700 collars D. 64,700 collars