Perform the indicated operation.(6m3 - 12m2 + 14) - (-15m + 3m3 - 9)
A. 3m3 + 3m2 + 23
B. 3m3 - 12m2 + 15m + 23
C. 3m3 - 12m2 + 15m + 5
D. 3m3 - 12m2 - 15m + 23
Answer: B
Mathematics
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Solve the quadratic equation by factoring.5x2 - 25x + 30 = 0
A. 2, 3 B. -2, -3 C. 5, 2, 3 D. 0, 2, 3
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Find the solution set for each inequality. Graph the solution set on a number line and write it in interval notation.|x| - 9 ? -6
A. (-?, -15]
B. [-3, 3]
C. (-?, -3] ? [3, ?)
D. (-?, 3]
Mathematics
Decide if the inequality is true or false.-9 > 5
A. False B. True
Mathematics
Solve the problem.On a test, Shoshana got 92% or 115 of the items correct. How many items were on the test?
A. 92 B. 125 C. 80 D. 23
Mathematics