Random math question

if sapphire drinks 1 liter and 18 cups of coffee
and her best friend drinks 2 liters and 3 cups of coffee, who drank more coffee and how much did they both drink together?
●= sapphire coffee

☆=friends coffee

●+☆× ●= ?

John bought 5 lemons and used 2 of them for a salad how much did he use for. a salad . he used % of the lemons.

Cameron indoor stadium at duke university is one of the most revered sites in all of college basketball, as well as in all of sports period. duke’s men’s and women’s basketball programs have attained quite a few wins in the building over the last seventy years. cameron indoor stadium is capable of seating 9,460 people. for each game, the amount of money that the duke blue devils’ athletic program brings in as revenue is a function of the number of people in attendance. if each ticket costs $45.50, find the domain and range of this function.

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"