Today, everything in a store is on sale. The store offers a 25% discount. If the discount price of a hat is $16, what's the regular price?

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?