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Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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?