Answer:
hope that it helps you any
Step-by-step explanation:
first hour she drove 60mi
second hour she drove 50mi
third hour she drove 70mi
fourth hour she drove 20mi
fifth hour she drove 75mi
all together she drove 275miles
take 275 divide it by 5 you get an average of 55mph
It's rise/run.
May or not be right but I hope it helps!
I added the attachment.
scalene and obtuse all sides are different and bigger than 90 degree angle
1/3