Circumference of a circle = 
(diameter)
Diameter = 23 in.
Plug in the diameter = 23 in in the formula of circumference given above
Circumference of a circle = (23)
Circumference of a circle = 23
= 3.14
Circumference of a circle = 23 (3.14)
Circumference of a circle = 72.22 in
Option D is the answer
First you need to divide 7 and 15, and the answer you get is 8, so 8+7=15. 8 will be your answer.
An independent variable is a variable that doesn’t change its like the cause of an experiment
I've uploaded a photo with the answer because it's too hard to do this out on the computer.
