Speed = distance / time
Speed = ?
Distance = 350km
Time = 5 hours
350km / 5hours = 70
He averages 70km/h
Answer: (5, -2)
Step-by-step explanation:
Substitute x-7 for y in 2nd equation
Solve for y
It is 0.5 because 1/2 x 1 is 0.5
Answer: True
Step-by-step explanation: I made a picture and it adds up: