Please help me it would mean the world. A lot of points! The answer is 80cm^2 provided by my teacher I just need the work.

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?