Find percent of change. Round to the nearest tenth if necessary. 55lbs to 24lbs

Select the number of ways in which a line and a circle can intersect

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

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?