Answer:
1 8/12 or 20/12
Step-by-step explanation:
Find the lowest common denominator, 12.
Multiply 2/3 by 4 to get 8/12
Multiply 1/4 by 3 to get 3/12
Then add 9/12 and you get 1 8/12 or 20/12
Answer:52
X+150=180. x=30
Y+82=180. y=98
X+y+z=180. Z=128
Z+b=180. b=52
D) 3x²y
