I think combine like terms
12x+10x+3x+2x -y+y+5y
X=27 Y=5y
Answer:
n=42
Step-by-step explanation:
1/2n=21
2•(1/2n=21)
n=42
The nearest ten with be the number that is 2 so it would 130
Answer:
90 degrees is your answer.
Step-by-step explanation:
If you look at y it is actually a right angle.
A right angle is always 90 degrees.
90 degrees is your answer.