Write an equation of the line in Slope -intercept form

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9