WILL GIVE BRAINLIEST!! plz help

4. Ray Cortez rented a 16-foot truck to move into his new
apartment. He rented the truck for 2 days at a cost of
$37.50 per day plus $0.79 per mile. The collision waiver cost
$20.00. Gasoline cost $74.60. Ray drove 220 miles. What was
his cost per mile?

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Find the distance between (0,5) & (-4,2)