PLEASE HELP <3 Given the points A(2; -3),
B(-3; 5), C(1;p) and D(q; 4). Determine p and q such that:
a) A, B and C are collinear.
b) AB is perpendicular to BC. C) CD is a horizontal line.

The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) compute the z-score corresponding to the individual who obtained 42.342.3 miles per gallon. interpret this result.