Colin walked a distance of 15 miles in six hours. work out collins average speed. give your answer in miles per hour.

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

c

step-by-step explanation:

i think because what else can be a sample of every member