In the school auditorium, the first row has 15 seats, the second row had 18 seats, the third row has 21 seats, and the fourth row had 23 seats. suppose the pattern continues. how many seats are in the sixth row.

a. 27
b. 30
c. 33
d. 36

Keisha makes a large sandwich for a family picnic she takes 1/2 of them the sandwich to the picnic her family eats 3/8 of the whole sandwich what fraction of the whole sandwich does keisha bring back from the picnic

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 is working backward similar to solving an equation?