4y - 20.......u need to find a common factor that can go into 4y and 20.....the only common factor is 4. So u can factor that out.....4 goes into 4 one time (but do not forget the y) and 4 goes into 20 five times....4(y - 5)
4(y - 5)...u can also check ur answer by distributing the 4 through the parenthesis and getting 4 * y - 4 * 5 = 4y - 20
(-7,1) is a solution to the inequality y<0.5x+9
You want to undo the (-9 1/2), so you will add 9 1/2 to each side
61 is the composite Number your welcome
Reverse your steps to see if u get what the questions originally asked.
