Aplumber chargers $50 for a service call plus $75 per hour. the total of these costs (in dollars) is a function c(t) of the time t (in hours) on the job. for how many hours will the cost be $200? $300? explain answer.

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?

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