Show me each step and explain .. two x squared minus y squared equal to 17

x + 2 y = 1

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

Collin did the work to see if 10 is a solution to the equation r/4=2.4

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?