Can someone Identify the coefficient in the expression 5 + 19b?

The ratio of the ages (in years) of three children is 2: 4: 5. the sum of their ages is 33. what is the age of each child?

The graph represents this system of equations: 2x + y = 3 2x - 5y = 15 what is the solution to the system of equations represented by the graph? (0, -3) (1,1) (1.5,0) (2.5, -2)

Ty received 3/5 of his cds as gifts. if he has 60 cds, how many were gifts. explain: