Solve.Find the area of a rectangle that measures 9 inches by 5 feet. Give the area in square inches and in square feet.
A. 540 sq in.; 2
sq ft
B. 540 sq in.; 3
sq ft
C. 336 sq in.; 2
sq ft
D. 3
sq in.; 540 sq ft
Answer: B
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Solve the problem.The matrix 
represents one week's usage of wood (in board-feet) at two locations of a company that manufactures chairs. Due to differences in transportation costs, the first location pays $0.89 per board-foot and the second location pays $0.94 per board-foot.(a) Find a 1 by 2 matrix representing the cost of the wood.(b) Multiply the given matrix and the matrix found in part a to determine the total cost of wood for that week.
What will be an ideal response?
Graph the function. State the domain and range.y = -2x2 - 20x - 55
A. 
Domain: ? Range: y ? - 5
B. 
Domain: ? Range: y ? - 5
C. 
Domain: ? Range: ?
D. 
Domain: ? Range: y ? - 5
Factor the sum or difference of two cubes.7r3 - 448
A. 7(r + 4)(r2 - 4r + 16) B. 7(r - 4)(r2 + 4r + 16) C. 7(r - 4)(r2 - 4r + 16) D. 7(r - 28)(r2 + 28r + 112)
Recognize the elementary row operation used and determine the missing entry.
? 
A. - 
B. -12
C. 12
D. 