How to get the answer for this equation

Identify the number 127 as a rational or irrational. explain

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?

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate