Which polynomial identity will prove that (3 + 6)2 = 81? A) Difference of Squares
B) Difference of Cubes
C) Sum of Cubes
D) Square of a Binomial 

Draw out the fraction then show how you would subtract 5 1/4

This is about circle theorems. someone asap : (

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?