7. jim's backyard is a rectangle that is 15
yards long and 10 yards wide. jim buys sod
in pieces that are 15 yards long and 1 yards
wide. how many pieces of sod will jim need
to buy to cover his backyard with sod?
what is the answer

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.

Asphere has a diameter of 10 in. what is the volume of the sphere?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?