Find the area of a circle with radius 8 m. Use the value 3,14 for me, and do not round your answer,
Be sure to include the correct unit in your answer,

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

You and a friend went to the movies. you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?