Pls solve will mark brainiest, five stars and will give a thanks

Find the lengths of the diagonals of this trapezoid.

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.

How many solutions does the nonlinear system of equations graphed below have?