The equation a = 1/2(b1 + b2)h can be used to determine the area, a, of a trapezoid with height, h, and the base lengths, b1 and b2. Which are equivalent equations? Check all that apply.

Find the length of cu, the triangles are similar.

How to solve a simultaneous equation involved with fractions?

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.