Write the interval as an inequality involving x, and illustrate the inequality using the real number line.(-9, ?)
A. x ? -9
B. x ? -9
C. x > -9
D. x > -9
Answer: D
Mathematics
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Subtract.48.060 - 23.574
A. 24.494 B. 24.496 C. 24.486 D. 25.000
Mathematics
Solve the problem.Consider a project consisting of nine tasks (A through I) with the following processing times (in hours): 
D(3), E(6), F(4), G(8), H(7), and I(4). If a schedule with three processors has a finishing time of 22 hours, what is the total idle time in the schedule?
A. 16 hours. B. 14 hours. C. 12 hours. D. 10 hours. E. none of these
Mathematics
Collect like terms.-6y - 2x - 4x
A. -6y - 2x B. -6y + 2x C. -12xy D. -6y - 6x
Mathematics
Solve. If necessary, round answers to the nearest hundredth.The following test scores were recorded for a student: 66, 63, 61, 60, 69, 65. Find the mean, median, and mode.
A.
| mean: 63 | median: none | mode: none |
B.
| mean: 64 | median: 60 | mode: 69 |
C.
| mean: 64 | median: 64 | mode: none |
D.
| mean: 65 | median: none | mode: 69 |
Mathematics