Solve the problem.A brick staircase has a total of 16 steps The bottom step requires 101 bricks. Each successive step requires 5 less bricks than the prior one. How many bricks are required to build the staircase?
A. 976 bricks
B. 1016 bricks
C. 2032 bricks
D. 2216 bricks
Answer: B
Mathematics
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Find the cofactor of the indicated element.a21
A. -1 B. 23 C. -23 D. 1
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Express the sum or difference as a product of sines and/or cosines.sin (4?) - sin (2?)
A. sin (3?) cos ? B. sin ? cos (3?) C. 2 sin (3?) cos ? D. 2 sin ? cos (3?)
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Find the LCM of the expressions.6x2y4z5, xy2z4
A. 6x3y6z9 B. 6x4y8z20 C. 6xy2z4 D. 6x2y4z5
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Solve.12 = (m2 + 5m)2 + (m2 + 5m)
A. -2, -1, 
, 
B. 4, -1, 
, 
C. -4, -1, 
, 
D. -4, -1
Mathematics