The sale price of a wedding cake after being discounted 20% is $315.60. Write an equation you can use to find the original cost of the wedding cake c?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

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.

Graph the linear function using the slooe and y intercept