Please help me with this database SQL questions refer to the picture below. Thank you in advance.

1) PetStore: Which cat merchandise has a list price more than the average price of cat merchandise?

2) PetStore: List customers who adopted dogs and also bought cat products

3) List the states that the PetStore does NOT have customers in. Show only one result per state. There is some bad data with a null state value, so filter these out.

AdoptionGroup Animal AdoptionlD AdoptionSource ContactName ContactPhone 0 AnimalID Breed DateBorn Category Registered Employee EmployeelD LastName FirstName Category Category Registration ty Supplier SupplierlD ContactName 2 Imageheight ImageWidth ZIPCode one SalelD Donation AreaCode Population1990 Population1980 TaxPayerlD DateHired DateReleased ManagerlD EmployeeLevel SalelD SaleDate EmployeelD CustomerlD Customer CustomerlD Phone FirstName LastName Latitude Longitude ress ZIPCode MerchandiseOrder PONumber OrderDate ReceiveDate SupplierlD EmployeelD ShippingCost Orderltem PONumber ItemlD Merchandise Saleltem SalelD ItemID Description QuantityOnHand ListPrice SalePrice AdoptionGroup Animal AdoptionlD AdoptionSource ContactName ContactPhone 0 AnimalID Breed DateBorn Category Registered Employee EmployeelD LastName FirstName Category Category Registration ty Supplier SupplierlD ContactName 2 Imageheight ImageWidth ZIPCode one SalelD Donation AreaCode Population1990 Population1980 TaxPayerlD DateHired DateReleased ManagerlD EmployeeLevel SalelD SaleDate EmployeelD CustomerlD Customer CustomerlD Phone FirstName LastName Latitude Longitude ress ZIPCode MerchandiseOrder PONumber OrderDate ReceiveDate SupplierlD EmployeelD ShippingCost Orderltem PONumber ItemlD Merchandise Saleltem SalelD ItemID Description QuantityOnHand ListPrice SalePrice