At the market, you can buy 5 bags of apples for $23.60. At the orchard, you can buy 7 bags of apples for $32.76. Which is the better deal? (trying to help sister I'm so stupid i don't remember how to do this)

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?