Answer:
-21
Step-by-step explanation:
by paying for 3 $7 dollar meals it would cost a total of 21 dollars.
63 m
Perimeter is 276, 2L + 2W = 276, so L + W = 138
L = 75
138 - 75 = W
c=-2
36
divide the 72 pieces by 2, you already know that 6 + 6 is 12, and 30 +30 is 60, so add 60 and 12 and you get 72
