Sean's mom asks him how long his homework will take. He tells her that he needs to read of 25 minutes and also do some math problems that will take m minutes. Altogether, his homework will take h minutes. What is the independent variable?

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?