What does the slope and the intercept mean in -3x +4y = 18

Aline passes through the two given points. is it vertical , horizontal , or neither ? (5, 2), (-5, -2)

Need solving this second acceleration problem.

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.