Isaiah just got his commercial driver's license and is starting a new career as a truck driver. Getting trained and licensed involved a one-time cost of $430. Gas and insurance end up costing him $2 per kilometer. For his first delivery, Isaiah will get paid $364 plus $4 per kilometer that he drives. If he drives a certain distance on this delivery, Isaiah will break even, making back all the money he had to spend. What distance would he have to drive? How much would both the costs and the earnings be?

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?