Maura writes an expression equivalent to 8a — ( — 3 — 5a) — 2a) what is her expression?

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top