Can somebody help out with this?? Thanks

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

You are choosing between two health clubs. club a offers membership for a fee of $ 28 plus a monthly fee of $ 20. club b offers membership for a fee of $ 20 plus a monthly fee of $ 22. after how many months will the total cost of each health club be the same? what will be the total cost for each club? in __ months the total cost of each health club will be the same.