Round 8.77 to the nearest whole number

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

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?