Answer:
He is not correct, the answer is All Real Numbers.
Step-by-step explanation:
When two lines are right on top of each other, the solution set is All Real Numbers that are on both lines because the solution set is the point(s) at which the lines overlap.
so basically what you would have to do is set up your numbers. it would look something like this. 68
× 49
-------------
and would then multiply 9 by 8, 9 by 6. put it down below the line while making sure to carry the numbers if need be. then do the same with the 4 times 8, and 4 by 6.
Answer:

Step-by-step explanation:
we have

step 1
Apply the distributive property both terms


step 2
Combine like terms



The answer is B because the teacher is keeping count of the seeds that EACH student plants
It says -18 is 18 digits away from 0