Also need the answer for the other 2

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

What is not true about kl and mn? what is mn? (show )

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?