In a field there are 40 sheep, 12 horses and 25 chickens. How many legs are in the field?

Which number produces a rationale number when multiplied by 1/5

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

Name two numbers whos difference is -3