PLS HELP WILL MARK BRAINLIEST 1- To what volume should 5.0 mL of an 2.0 M citric acid solution be diluted in order to obtain a final solution that is 1.50 M? Round to two significant digits.

2- What is the morality of a solution of sodium chloride prepared by diluting 750.0 mL of a 6.0 M sodium chloride solution to 2.0 L? Round to three significant digits.

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?