3 + 2r = 5 so r = what

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?