F varies jointly as M and the square root r when M=3 R=9 F=3 write down the law connecting f, r and m. if m=4 r=16 find f

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a.m. if he arrives at the gate at 11: 45 p.m., can he board the flight?

Fiona joins a fruit of the month club. the entry cost was $25 and then she pays $18 per month. if she participates for 8 months, how much will she pay in all? how much in 10 months?

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?