Can someone please help me answer this question thank youuu

Through: (-3,-3) parallel to y= 7/3x+3

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

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?