When David finished his first year of high school, his height was 66 5/8 inchesWhen he returned to school after the summerDavid's height was 68 1/8 inches. How much did David's height increase over the summer?

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?