I need help with these two problems please, and please make it legible.

Water is being added to a tank at a rate of r(t ) = 5 - t L/min. How much water is added to the tank between t = 1 min and t = 5 min? # # #1. The population of a certain town was 10,000 in 1990. The rate of change of the population, measured in people per year, is modeled by Fm = \"new\