1/3 of an hour is 20 minutes. If show 10 laps in 5 minutes, just divide 20 by 5, which gives you 4, then multiply 4 times 10. She can swim 40 laps in 1/3 of an hour. Hope that helps. Mark Brainliest if it does. Thank you!
Step-by-step explanation:
G(x) =4(2x)-6
G(x)=8x-6
I think it's just 15, -7, 7, -8, and 80.
I am probably wrong though,
Is it all one long equation with the plus and minus signs?
Answer: 
Step by step:
This is the simplest form of this radical.
Answer:
The other parenthesis, but if that was a typo then I'm not sure. Hope this helps! :)
Step-by-step explanation: