Subtract. 8x - 8y +9 5x - 8y -z a) 3x + z + 9 b) 3x - 16y - z + 9 c) 3x - z + 9

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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.

Explain why the factor 1.5 is broke. into two numbers in the model.