What is the area of the figure below?

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.

Which graph depicts the path of a projectile

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25