Bob is hiking down a 12-mile country-trail. He could hike 3 mph for the first 2 hours and then go the rest of the way 5 mph, or he could go the whole way at 4 mph. How long would each option take? Which option is faster?

the answer is a i belaeve atleast thats what my calculator just gfave me

step-by-step explanation:

answer: 12

step-by-step explanation:

because yes

hi there!

step-by-step explanation:

a roof pitch is basically for every inch rise there is 12 inches run.

the height of the roof is also known as the rafter.

formula: rafter^2 = rise^2 + run^2

rafter^2 = 5^2 + 12^2

rafter^2 = 25 + 144

rafter ^2 = 169"^2

the height of the roof from the lowest point to the highest point is 169"^2.

hope this : )