Please help me find the solution ​

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?