What is the value of 2(5-a)? +7a when a = 2 ?

5(-9w) put expression in distributive property

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.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?