Austin drove 140 miles in two hours what was his average speed

70 mph

Step-by-step explanation:

140 miles/2 hours=70 mph

70 mph

Step-by-step explanation:

(140 miles) / (2 hours) = 70 mph

29.5977692753

step-by-step explanation:

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c