(PLEASE HELP! WILL GIVE BRAINLIEST TO THE CORRECT ANSWER!) Estimate the fraction of a circle's area that would be represented by r^2. Explain how you arrived at this estimation, drawing a diagram if necessary.

What’s 8y+48 and factor each expression completely

Jim had 15 minutes to do 5 laps around his school what would his time be

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units