Can someone me with 1-11? brainliest answer will be awarded! : )

The depreciation per unit for a company

What is the solution to the equation 9^(x+1) =27

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)