Indira finds that on a typical day, 4 out of every 5 students at her school eat a cafeteria lunch. The rest of the students bring their lunch from home. Indira’s school has 495 students. On a typical day, how many students at her school bring their lunch from home?

Louis wants to carpet the rectangular floor of his basement. the basement has an area of 864 square feet. the width of the basement is 2/3 it's length. what is the length of louis's basement

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score