Complement adds to 90
complement of A is 90-A
supplement is adds to 180
supplemetn of A is 180-A
2(90-A) is -40+180-A
2(90-A)=-40+180-A
2(90-A)=140-A
distribute
180-2A=140-A
add 2A to both sides
180=140+A
minus 140 both sides
40=A
A=40 degres
I believe the answers are 1. C 2. B 3. D 4. C 5. A
The answer for your equation is: y = 9
24 = 2/1/2 cups
1 cup = 9/3/5
30 = 3/1/8 cups
