In a class of 160 students, 90 are taking math,78 are taking science, and 62 are taking both math and science. what is the probability of randomly choosing a student who is taking only math?

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Which fraction below is equivalent to 10/12?

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?