The number 89 is decreased to 64. What is the percentage by which the number was decreased, to the nearest tenth of a percent?

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How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.