Mark earns $135 for selling a 1500 refrigerator. which sale listed had the same commission rate

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.

Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6