Answer:
first one yes
Step-by-step explanation:
second one its
39x+10=180
sorry I needed the points!
Step-by-step explanation:
slope of the segment through (-9, -8) and (-5, 6) is (-9-(-5))/(-8-6)=-(-4)/(-14)=2/7
this means the slope of the perpendicular is -7/2.
the midpoint of the segment is (-7, -1)
so the line is y+1=(-7/2)(x+7).
by selling the bicycle and the helmet they made a profit of 84
