Answer:
Step-by-step explanation:
In order to find r we have to square both sides of the equation
The *square root* sign cancels out the *squared* sign therefore:
Answer:
1. 4d +11x
2. nothing further can be done
3. nothing further can be done
4. nothing further can be done
5. nothing further can be done
Step-by-step explanation:
You have to remember that formula. or look at the picture
The common denominator is 12
The answer is either A or C because in 4/5 of an hour half of the tank fills up