Darla conducted a survey among her classmates to determine which of five school sports is the most popular. If 105 students picked Softball (30%) , how many students were surveyed?

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Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?