What is the answer to B x B

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

In the diagram, gef and hef are congruent. what is the value of x

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?