Topic: Coordinate Geometry Points P(-6,2), Q(2,-2) and R (-3,r) are collinear or lie on a straight line. Find the value of r.

b.-4 units

all you   do is count how many times you move

a. 12.5 kg

step-by-step explanation:

f = ma

so

m = f/a = (2500 n)/(200 m/s²) = 12.5 kg

1 n = 1 kg·m/s²

answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.

step-by-step explanation: