Define a function pyramid_volume with parameters base_length

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?