Points P, Q and R are collinear such that PQ: 2/5 . If a directed line segment begins at P(2, -4) and ends at R(2, 6), find the coordinates of point Q.

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Is it greater than or less than7*3_9*2