i need questions [ 1-12 ] answered, with work and answers provided. i will give brainliest if answers AND work is shown. please help before 11:59pm est. anything is appreciated, thanks!

The triangles are similar. what is the value of x? show your work.

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.)

Find the dimensions of the circle. area = 64π in.² r= in.