Which expression is equivalent to -24 1/2 + 16.5 - 4? select all that apply. * 24 1/2 - 16.15 - 4 * 16.15 - 28.5 * -28.5 + 16.15 * -20 1/2 + 16.5 * 12.15 - 24 1/2

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?