Enter an expression equivalent to:
HINT: STACK THEM VERTICALLY TO HELP YOU SEE IT BETTER
IF THE LETTERS HAVE THE SAME EXPONENT,
order it from alphabets.
SO A FIRST THEN B.
X then Y
Find the perimeter of Rectangle A and Rectangle B, then find their sum. All measurements are in feet.
The perimeter of Rectangle A is
The perimeter of Rectangle B is
The SUM of their perimeter is
HINT:
SUM MEANS TO ADD BOTH PERIMETERs, SO ADD A+B