Ateacher weighed 145 lbsin 1986 and weighs 190 lbs in 2007. what was the rate of change in weight

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62