C would be the answer, which is 9x+9y
Step-by-step explanation:
1a. Just add both of them.

1b. We just subtract both of the functions.


1c.


1d.

Answer:
20 games
Step-by-step explanation:
(12/x)=(60/100)
12*100=1200
60x=1200
x=20
Answer:
correct answer is four sixths
Step-by-step explanation:
you can simplify 2/6 to 1/3 and then it would just be 1/3 plus 1/3. This is 2/3 or 4/6! Hope this helps :)