Write the following as a rate in lowest terms.248 hours for 40 projects
A. 
B. 
C. 
D. 
Answer: D
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Write the given decimal as an infinite series, then find the sum of the series, and finally, use the result to write the decimal as a ratio of two integers.0.616161 . . .
A. 
B. 
C. 
D. 
Solve and graph.6x - 4 < 2x or -2x ? -6
A. [1, 3]
B. ?
C. (1, 3)
D. (-?, 1) ? [3, ?)
Solve the problem.A company earned a profit of $5,000,000 in its first year, but its profits decreased by 9% in each of the next 6 years. What is the sum of its yearly profits for its first 7 years? Round your answer to the nearest cent.
A. $46,002,173.38 B. $29,430,415.13 C. $24,007,263.78 D. $26,846,610.04
Solve the problem.A brick staircase has a total of 17 steps. The bottom step requires 110 bricks. Each successive step requires 5 less bricks than the prior one. How many bricks are required to build the staircase?
A. 2550 bricks B. 1190 bricks C. 1147.5 bricks D. 2380 bricks