For the past three months, grace has been using her cellphone for 43 minutes, 62 minutes, and 57 minutes. how many minutes would she have to use her cellphone this month for the average usage over 4 months to be 55 minutes? plz thxs

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?

E. which of the following is not a possible probability? a. 25/100 b. 1.25 c. 1 d. 0