Acompany makes and sells charm bracelets. the cost of producing x bracelets is represented by the function. c(x)=180+8x. the revenue earned for selling x bracelets is represented by the function r(x)=20x. write and simplify a function p the represents the profit made from selling x bracelets. how many must the company sell to break even

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?