1 111 0111 base 2
to decimal number

Combine like terms7y^2 + 7(6y^2 − 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.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?