Modeling and writing expressions

write each phrase as a numerical or algebraic expression.

4. 25 multiplied by 3
it would be 3 x 25? or the opposite?

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Find the difference (8ab+a+2) - (3ab+6)

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.