Suppose you want to tile the inside of your shower with small 1-inch square tiles. Your shower walls measure exactly 4 square feet.

Your neighbor has 400 1-inch square tiles left from their project and you love the color. Your neighbor gives them to you for free!

How many more 1-inch square tiles will you need to cover the shower walls?

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.