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Solve the system of equations. y= 2x y= x^2 - 15

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.