4a+6b is the answer you have to look at the variable so for a 4a-2a+2a and b there is just one variable so it’s 6
For #7 - part a: greatest common factor (GCF) is 5.
Part b: cross out everything BUT 10 & 20.
Hope this helps .. sorry if it’s wrong .
Answer:
It has 6 vertices. As what you listed 06.
Answer:
3/8 % = 37.5 %
Step-by-step explanation:
