The population of a city has varied considerably in recent years. The data in the table relates the population P to time t, in years. Use a quadratic function fitted to the data to predict the population in year 10.

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account

Graph the following piecewise function.