Find the area of a triangle whose vertices have coordinates (- 4, 3) (2, 5) , and (- 7, - 1) .

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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.

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.