Hey! what note is this? I need to know so i can play my song for band (btw sorry that i put mathematics, I couldn't find a music category.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Which of the following represents the length of a diagonal of this trapezoid?

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?