If the line with equation ax-2y=5 is perpendicular to the line with equation x+3y=1. Then what is the value of a?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(t) = 20t^2 + 14t - 12

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