An item is priced at $14.48. If the sales tax is 7%, what does the item cost including sales tax?

Don't know how to find x given these segment lengths

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

Factor this polynomial completely. x^2-8x+12