Answer:
GCF = -3
-3(7x+10)
Step-by-step explanation:
-21x - 30 =
-3(7x+10)
Its 1+20x because you would subtract 2-1-=1 and 35x-15x=20x im sorry this is the real correct answer
I believe $1, two of the friends left, if it's not the correct answer I'm sorry.
The answer is 10.95445 and it is irrational because it is not a full square