Answer:
-7/2 or -3.5
Step-by-step explanation:
h = 20
= h = 35 = h = 70 (2h) (2h)
19h = 35h = 70(2h)(2h)
16h = 70(2h)(2h)
-70 = 20h
-7/2 = h
-3.5 = h
Step-by-step explanation:
Given,

and

Substitute x = 2 into expression.

I can’t see the top of the image. Can you make it more upper a little? I think it is 9
His average speed is 634/13 = 48,77 miles/hour. Well, he's fast :D