When Sarah does her math homework, she finishes 10 problems every 12 minutes. How long will it take for her to complete 35 problems? Use the unit rate or set up a proportion to solve.

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.