Solve the problem.A brick staircase has a total of 19 steps The first step requires 111 bricks. Each successive step requires 4 fewer bricks than the prior one. How many bricks are required to build the staircase?
A. 2793 bricks
B. 2850 bricks
C. 1425 bricks
D. 1387 bricks
Answer: C
Mathematics
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Determine whether the given function satisfies Laplace's equation.f(x, y, z) = 9x + 9y3z2
A. Yes B. No
Mathematics
Calculate. Round to two decimal places if necessary.
A. -3 B. 3 C. 0.06 D. 0.6
Mathematics
Perform the indicated operation(s). Simplify if possible.
- 9x
A. 
B. 
C. 
D. 
Mathematics
Write the augmented matrix associated with the system.
A. 
B. 
C. 
D. 
Mathematics