Write the number in standard form.The speed of light is 1.86 × 105 miles per hour.
A. 1,860,000
B. 0.0000186
C. 18,600,000
D. 186,000
Answer: D
Mathematics
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Solve the problem.A brick staircase has a total of 17 steps The first step requires 104 bricks. Each successive step requires 4 fewer bricks than the prior one. How many bricks are required to build the staircase?
A. 2312 bricks B. 1190 bricks C. 1224 bricks D. 2448 bricks
Mathematics
Solve the formula for the indicated variable.S = 2?rh + 2?r2, for h
A. h = 
- 1
B. h = 2?(S - r)
C. h = 
D. h = S - r
Mathematics
Find the area.
A. 52.5 in.2 B. 105 in.2 C. 22 in.2 D. 45.5 in.2
Mathematics
Find any numbers for which the rational expression is undefined.
A. z = 7, z = 2 B. z = -7 C. z = 7 D. none
Mathematics