Each week your social studies teacher gives a twenty-point quiz. your scores are shown in the table. what is your mean quiz score?

What is the square root of 45? (step by step working plz)

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

Me with this one question, and i'll upvote the brainliest answer