Solve the problem.Let 
be the cost to manufacture x items. Find the average cost per item, to the nearest dollar, to produce 10 items.
A. $100
B. $53
C. $44
D. $2590
Answer: A
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Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered triple. 6x + 7y - z = 76 x + 7y - 3z = 19-7x + y + z = -53
A. (-9, 6, 4) B. (9, 4, 6) C. (9, 6, 4) D. (-9, 4, 18)
Multiply.(970)(524)
A. 508,290 B. 508,280 C. 508,380 D. 508,270
Determine the name of the polygon.
A. Quadrilateral B. Octagon C. Hexagon D. Pentagon
An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum value of the objective function and the values of x and y for which the maximum occurs.Objective Functionz = 20x + 4yConstraints0 ? x ? 10 0 ? y ? 5 3x + 2y ? 6
A. maximum: 20; at (0, 5) B. maximum: 220; at (10, 5) C. maximum: 200; at (10, 0) D. maximum: 12; at (0, 3)