The first one is 6 1/6 feet
Answer:
8.55 × 
Step-by-step explanation:
Answer: 49/9
Step-by-step explanation:
9x5=45
45+4=49
Answer:
Answer is x= 15
Step-by-step explanation:
(3x+18)+(8x-3)=180
11x+15=180
11x=165
x=15
Answer:
3x+y
Step-by-step explanation:
It's already in simplest form, you can't do anything else to it.