Ray has 3 spools of wire with an equal amount of wire on each spool. He has 19 feet of wire in total. How many feet of wire does one spool have?

Ary throws a plastic disc to her friend, which her friend catches six seconds after mary throws it. the table shows the height of the disc at one-second intervals. assuming that the throw represents projectile motion, what are the missing values in the table? a = 5, b = 3 a = 4, b = 0 a = 4, b = 3 a = 5, b = 0