A spherical mini donut hole has a diameter of 6 centimeters. A large spherical donut hole has a diameter of 9 centimeters.

Approximately how much greater is the volume of a large donut hole than the volume of a mini donut hole?

Which numbers are a distance of seven units from - 2 on a number line?

Consider a tree T storing 100,000 entries. What is the worst-case height of T in the following cases? (a) T is an AVL tree. (b) T is a (2,4) tree. (c) T is a red-black tree. (d) T is a splay tree. (e) T is a binary search tree.

If Jack's and John's eyes are 1.5 meters from the ground and the distance from Jack's eyes to the top of the tower is 50.64 feet, how far is John from the base of the tower? Round your answer to the nearest tenth.

Identify the problem with the following study. It was found that a third of all people in the United States live in urban centers. This finding is based on a study involving 3 randomly selected individuals

Mr. Jones places money into two separate investment accounts. The function f (x) = 2,500 (1.078) x models the value of account 1 after x years. The table represents the value of account 2 after x years.

Solve the equation - 2/5=y

Find the zeros of the quadratic function: f (x) = x2 + 8x - 20

Factor completely. 5x^2+44x-9

In how many arrangements can a teacher seat 3 girls and 3 boys in a row of 6 seats if the boys are to have the first, third, and fifth seats?

Max has a $2000 bond with a 6% coupon. Max purchased this bond for $2050. What is the yield of this new bond?