Step-by-step explanation:
Atmost means less than 45:
Let us assume number is x
x<45(at most)
Atleast means more than 45:
x>45
select two points on the line, and plug into this formula y2-y1 over x2-x1
Probably b. flyer
Of course, it's tough to tell without the selection.
-10+2b+8
-2+8b+8
Calculated sum
-2+8b
Answer is -2+8b
The answer to this question will be D