A bag of marbles contains five red 12 blue and seven green marbles select all choices below that would represent the simplified ratio of blue totaled marbles

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

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%

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)