Answer:
6
Step-by-step explanation:
57=15+7x --> 57-15=7x --> 42=7x --> 42/7=x --> 6
Answer:
its a black screen so yeah
I feel like there is something missing from this question, for example how large is the tree house? If these are just plain measurements, then I would opt for B.
No mode or 43 i know the 43 sounds crazy but with math now days you never know.
you multiply the number of years