the answer is a n b
Step-by-step explanation:
Answer:

Step-by-step explanation:
The comma is important here, otherwise "one third of a number n minus 7" is

We need more information. You don't give us enough information....? Provide an image please. Or at least name the polynomials...
Answer:
39/60 is a rational number halfway b/w the given numbers.
Step-by-step explanation:
Add both of these numbers and then divide the result by 2.
(1/3+3/10)/2
=((30+9)/30)/2
=(39/30)*1/2
=39/60
Answer:
30b
Step-by-step explanation:
what you do is times 6 and 5 then add b