Whats the price that generates the most profit with the function of -80p²+2720p-19,200?

This is fractions casey shared a pizza with some friends.they each ate 1 third of the pizza. how many people shared the pizza

What is the size of the matrix resulting from

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.