Given a cylinder with a surface area of 2543 cm2 and radius of 9cm, calculate the height of this cylinder to the nearest tenth

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did