The answer you are looking for is A
Answer:
All [of] the spa's pools ARE very hot. But, I still enjoyed my stay.
Explanation:
Not sure if of needs to be there. When things are plural they take the are form of is.
The prefix is re- in the word resist
Answer:
You can easily use some websites if you are on a computer, for example I use grammarly it really helps!
Explanation: