Please assist and I will mark you as brain crown, thank you in advance:)) there are 12 questions :) there are 12 questions :)

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?