Janelle was trying to find the distance between (3,7) and (9,6) in the coordinate plane. she knew the formula was d=√(9 - 3)^2 + (6 - 7)^2. so she took the square root and got (9-3)+(6-7)=5. did she get the correct answer? explain.

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