Solve.66 = -8x + 2
A. 76
B. -8
C. 72
D. 10
Answer: B
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Simplify the rate and write the result in words.
A. 
; 37 hours for every 8 projects
B. 
; 37 hours for every 9 projects
C. 
; 37 projects for every 8 hours
D. 
; 333 hours for every 37 projects
A building in the shape of a rectangular box is to have a volume of 
(see the figure). It is estimated that the annual heating and cooling costs will be $2/square foot for the top, $4/square foot for the front and back, and $2/square foot for the sides. Find the dimensions of the building that will result in a minimal annual heating and cooling cost. What is the minimal annual heating and cooling cost(C)?
?
?
A. 
B. ?
C. ?
D. ?
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 = 
Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = x2(x - 4)(x - 1)
A. 0, crosses the x-axis; 4, touches the x-axis and turns around; 1, touches the x-axis and turns around B. 0, touches the x-axis and turns around; 4, crosses the x-axis; 1, crosses the x-axis C. 0, touches the x-axis and turns around; -4, crosses the x-axis; -1, crosses the x-axis D. 0, crosses the x-axis; 4, crosses the x-axis; 1, crosses the x-axis