A tank in the shape of a hemisphere has a radius of 13 feet. If the liquid that fills the tank has a density of 69 pounds per cubic foot, what is the total weight of the liquid in the tank, to the nearest full pound?

There a total of 82 students in the robotics club and the science club. the science club has 6 fewer students than the robotic club. how many students are in science club?

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

Which letters from the table represent like terms? a and b b and c a and d b and d