M=-20/7. .........!!!!!!!!
Answer:
180
Step-by-step explanation: The exterior angles sum to 360 and there are 21
Use the site called Desmos, it's a graphing calculator and should help you in all the ways you need. It isn't complex. Just put that equation in a box and it graphs it for you.
Answer:
3+4x
7-12
2x+14=18
four times a number
four times a number is added to seven
Step-by-step explanation:
