It costs $8 for admission to the Park City Ice Arena. In addition, renting skates costs $4 per hour. Write an equation that shows how the total cost, y, depends on the length of the rental in hours, x.
Do not include dollar signs in the equation.

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

I'm confused on this could anyone me and show me what i need to do to solve it.

52 cm radius = diameter = area = circumference = circumfer