A sugar cone at Olson's has a radius of 3 cm and a volume of 30r cubic cm. What is the height of the sugar cone?

can you also explain pleasee

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?

What is another way to write the equation 2/3(x+6)=-18?

Write an expression to represent the perimeter 2a-3 , 3a+1 , 2a