The formula to find the volume of a sphere is v= 4/3nr^3, where r is the radius of the sphere. What is the formula in terms of r?

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

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