Identify the coefficient(s) in the expression: 9 + 4x +y

Ineed with number 6 , explain how to get 1978

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?

Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?