Y-9 + y/2 = 180
Add nine to each side
y+y/2=189
Multiply each side by two
2y+y=378
Add the y's together
3y=378
Divide it all by three
y=126
so, Angle B is 126 degrees
I hope that helps!
Answer:

Step-by-step explanation:
We can find the inverse function of this excercise, isolating X and then changing the variables.


And now we change the variables and we get the inverse function:

We know there are 4 quarts in a gallon, so how many quarts in 2.5 gallons anyway?
Answer:
i hel32hhfkhf2ehkf e2k fe2kn fkne2 fe2fn3 3 3juur3jke
Step-by-step explanation: