1 mile
point 5 means 0.5 which is a 1/2
0.5 is larger than 0.45 0.5, 0.45 or 0.50, 0.45 Since 50 > 45, then, if you divide by 100 (positive number) to both sides, 0.50 > 0.45.
Equation of the straight line: y = -3/5x+2 in slope intercept form
Yes, in the 9-point scale it is the equivalent of a B.