Please need help thank you

Write the sentence as an equation. b increased by 281 is d

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.)

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)