Find the value of x in the isosceles triangle shown below

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%

The price of a box of 15 cloud markers is $12.70. the price of a box of 42 cloud markers is $31.60. all prices are without tax, and the price of the packaging is the same for any size. how much would 50 cloud markers in a box cost? write an equation which will tell the price p for the number n markers in the box.

Allie is playing basketball. she takes a shot 24 ft away from the basket. when the ball is 4 ft away from her, it is at height of 10 ft above the floor. the ball reachs its highest point of 18 ft above the floor, when it is 12 ft away from her? a. find the value of a b. if the hoop is 10 ft high, how close would allie to be to make the basketball