Answer: 256 π sq.units
Step-by-step explanation:
Area=4π
=4π(8)^2
Area =256 π
Given parameters:
Distance covered = 925 miles
Quantity of gas used = 37 gallons
Cost of gas per gallon = $5.909
Unknown:
Amount spend on gas = ?
The amount spent on gas would:
Cost of gas = cost of gas per gallon x quantity of gas used
Input the parameters and solve;
Cost of gas = $5.909 / gallon x 37 gallons = $218.6
Amount spent on fuel during her trip was $218.6
Answer: i) 
ii) 
Step-by-step explanation:
Total length of film = 45 mins
Fraction of time left after 15 mins = 
= 
Fraction of time left after 25 mins = 
= 