An object 4 feet tall casts a 3-foot shadow when the angle of elevation to the sun is θ. What is θ?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

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?

Write the percent as a fraction or mixed number in simplest form. 0.8%