Answer: 
Step-by-step explanation:
1) Move all terms to the left: 
2) Add all the numbers together, and all the variables: 
3) Move all terms containing r to the left, all other terms to the right: 


Answer:
Step-by-step explanation:
The answer id D, ^3 sqrt x^9 times x
1.772453850905516027298167...
Answer:
2.2$
Step-by-step explanation:
Because 52.80 divided b 24 equals 2.2$
have a nice day! :>
Answer:
f < 4
Step-by-step explanation:
3f + 9 < 21
21 - 9 = 12
12 / 3 = 4