Answer:
Step-by-step explanation:
Yes, it is a line of slope 1.
Answer:
I dont think you have included the whole question please do so
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
I had this question a few months back and I think this was the answer not too sure though
Answer:
There are 392 students in the seventh grade.
Step-by-step explanation:
Let us assume that there are x number of students in the seventh grade.
Now, 3/8 of the seventh grade students were taking Advanced math at the beginning of the year, but seven dropped out by the end of the year.
So, after the end of the year there were
number of students taking advanced math.
So, as per given condition, 
⇒ 
⇒ x = 392
Therefore, there are 392 students in the seventh grade. (Answer)