Answer:
perimeter is the outside, 7+7+2+2= 18
Step-by-step explanation:
Answer:
63+48= 3(21+16)
Step-by-step explanation:
Check answer:
Distribute 3(21+16)
3(21)+3(16)
63+48
Answer:
to be fair, i really dont know this
Step-by-step explanation:
Answer:
16
Step-by-step explanation: