P and q are rational numbers. Which of the following expressions cannot be used to find the distance between them on the number line. | q - p|

| q + (- p)|

| p - q|

| p + q|

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

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

Grandpa ernie is shrinking! over the past 4 years his height decreased by a total of 2.4 cm. it decreased by the same amount each year. what was the change in grandpa ernie's height each year