R/2 - r. i think... I'm not so sure. You divide 2 and r then subtract r.
For number one, i believe it would be 6x + 15Y-12. You just multiply 3 by everything i. the parentheses. I hope this helps :)
Answer:
13m
Step-by-step explanation:
because i use calculator soup
What you need to do is to find a multiple of 20 and 16 in other words a number that can multiply into 20 and 16. You have 2 and you have 4. So now this is how it looks like.
Either:
4(5+4) Or
2(10+8)
Answer:
c
Step-by-step explanation: