Tracy can wallpaper a new house in 15 hours. together with her trainee they can wallpaper the house in 8 hours. how long would it take the trainee working by herself to do the job?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

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?

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o