The volume of a sphere whose diameter is 18 centimeters is cubic meters. If it’s diameter we’re reduced by half, it’s volume would be if it’s original volume

What is the approximate circumference of the circle shown below?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11