Factor. x2−10x−11
Choices
(x−11)(x+1)
(x+11)(x+1)
(x+11)(x−1)
(x−11)(x−1)

Can any one me with the answers to these questions asap?

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?

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?