Answer:
21 feet
Step-by-step explanation:
You could either do
3 + 3 + 3 + 3 + 3 + 3 + 3 = 21
or
3 x 7 = 21
72, 96, 84, 12
72 + (7x+24) = 180
7x + 96 = 180
7x = 84
x = 12
Answer:
126 centimeters squared
Step-by-step explanation:
Answer:
answer is A
Step-by-step explanation: