Answer:
Parallel
Step-by-step explanation:
These 2 lines are parallel because they have the same slope (7).
Answer:

Step-by-step explanation:
Step 1: Simplify square roots
√72 = 6√2
√50 = 5√2
So, 
Step 2: Cancel like terms

Step 3: Rewrite
And we should get our answer!
Hi I'm new to this website so I wanted to comment that I'm having the same complication with that exact same problem
Answer:

Step-by-step explanation:
We have been given that are two racks with 40 towels per rack. On Tuesday there were 30, on Wednesday 50 and on Thursday 25. We are asked to find the fraction on average that is in use for the three days.
First of all, we will find total number of towel by multiplying 40 by 2.


Now we will find average number of towels used on three days.




Now we need to calculate 35 is what part of 80 to find the fractional use of towels per day as:


Therefore,
on average is in use for the three days.