Solve the problem.A brick staircase has a total of 19 steps The bottom step requires 101 bricks. Each successive step requires 5 fewer bricks than the prior one. How many bricks are required to build the staircase?
A. 2128 bricks
B. 1016.5 bricks
C. 2774 bricks
D. 1064 bricks
Answer: D
Mathematics
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Give the domain and range for the relation.{(8, 2), (-7, -3), (-8, -1), (9, 6)}
A. Domain: {-1, 2, -7, 6}; range: {-8, 9, -7, 8} B. Domain: {-8, 9, -7, 8}; range: {-1, 6, -3, 2} C. Domain: {-1, 6, -3, 2}; range: {-8, 9, -7, 8} D. Domain: {-8, 9, -7, 8}; range: {-1, 2, -7, 6}
Mathematics
Evaluate the integral.
dx
A. 
cot4 x sec x + C
B. - 
cot2 x - 
ln 
+ C
C. 
cot4 x + C
D. 
cot2 x + ln 
+ C
Mathematics
Identify the base and the exponent. Do not evaluate.-113
A. Base: -11, exponent: 3 B. Base: 3, exponent: 11 C. Base: 11, exponent: 3 D. Base: 3, exponent: -11
Mathematics
Perform the operation and reduce to lowest terms.4
÷ 
A. 23
B. 22
C. 24
D. 25
Mathematics