Solve the problem.A brick staircase has a total of 20 steps The first step requires 108 bricks. Each successive step requires 5 fewer bricks than the prior one. How many bricks are required to build the staircase?
A. 1210 bricks
B. 2420 bricks
C. 1160 bricks
D. 3110 bricks
Answer: A
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = x2i + y2j + zk; D: the solid cube cut by the coordinate planes and the planes x = 1, y = 1, and z = 1
A. 4 B. 1 C. 2 D. 3
Use technology to calculate det A.A = 
A. 44 B. 92 C. -124 D. -92
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x + 200, 0 ? x ? 300. Suppose that the cost C of producing x units is C = 
+ 800. Assuming that all items produced are sold, find the cost C as a function of the price p.
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