Answer:
45%
Step-by-step explanation:
Since he drove 54 miles out of 120 in the first hour, the equation for this would be 54/120×100. This equals 45 and that is the percentage
a
because the rest aren't true
i wouldsay b
add up the X values and y values and divide by two
X=(-2+6)/2=2
Y=(-4=8)/2=2