Simplify the expression 13+(x+8)

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 long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5