M=-20/7. .........!!!!!!!!
Answer: 
Step-by-step explanation:
Answer:
x^2-6x, 4x^2-1x,10x^2+8x,15x^2-3xy
Just use the distributive property like you have before and you will get these answers, Hope this helped!
Depends is the positive integer is larger than the negative interger for example -10+5=-5.
10+-4=6
The coordinate (2,20) indicates that he rode 20 miles in 2 hours
