If I spent $3.75 for 3 pounds of granola. What is my unit rate in dollars per pound ?

Ineed me i stuck and i don’t want to get it wrong

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work

Graph each quadratic function and identify its key characteristics. f(x) = x^2 - 2x - 3