Alexandra’s backpack weighs 7 1/2. what is the weight of her backpack expressed as a decimal

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.