What is the approximate volume of the sphere? use 3.14 to approximate pi and round the answer to two decimal places if needed. the radius is 5ft
a.
1570 mm3
b.
523.33 mm3
c.
392.50 mm3
d.
166.67 mm3

Me with this one question, and i'll upvote the brainliest answer

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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.