Triangle abc is similar to triangle def. using the image below, prove that lines bc and ef have the same slope. you must show all of your work.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

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.

Using elimination, what is -4x+2y=-12 4x+8y=-24