Solve by the linear combination method. 2x + 3y = 11 –4x + 2y = 2 60pts answer in 5 minutes

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

State if the two triangles are congruent. if they are, state how you know?