12:28 AM M 2.78 4G 4G 48 K/S Question 9 Cost, Revenue & Profit 0/1 pt 298 Details For these problems, x will represent the number of items and y will represent the money. The fixed costs for a certain item are $120 per week. The cost to produce each item is $15 per item. Using this information, what is the cost equation? Give your answer in slope-intercept form: y= The retailer intends to sell each item for $17/item. Using this information, what is the revenue equation? Give your answer in slope-intercept form: y If in this week 77 items are made, and all items are sold in the week, what are the total costs to the retailer? Cost = $ What is the revenue from selling 77 items? Revenue = $ Finally, what is the profit for this retailer? Profit = $ Box 1 & 2: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question. Question Help: Question 10 Post to forum 0/1 pt 298 Details In 2003, a school population was 1110. By 2007 the population had grown to 1422. 1) How much did the population grow between the year 2003 and 2007? students 2) How long did it take the population to grow from 1110 students to 1422 students? years 3) What is the average population growth per year? Select an answer 4) What was the population in the year 2000? students 5) Find an equation for the population, P, of the school t years after 2000. P = 6) Using your equation, predict the population of the school in 2015. Question Help: Post to forum Question 11 students 0/1 pt 298 Details Question Details Irving lives in Appletown, and plans to drive along Highway 42, a straight highway that leads to Bana located 126 miles east and 27 miles north. Carol lives in Coconutville, located 95 miles east and 37 miles south of Appletown. Highway 86 runs directly north from Coconutville, and junctions with Highway 42 before heading further north to Durianville. Carol and Irving are planning to meet up at park-and-ride at the junction of the highways and carpool to Bananatown. Irving leaves Appletown at 8am, driving his usual 45 miles per hour. If Carol leaves leaves Coconutville at 9am, how fast will she need to drive to arrive at the park-and-ride the same time as Irving? miles per hour Include a sketch with the work you turn in Question Help: Post to forum = ||| → 3