What is a good act score, of course this is opinionated, but i was wondering?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?