What is the circumference of the following circle? if r= 4

C≈25.13

Step-by-step explanation:

C≈2 x 4 x 3.14

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.

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8