The jayden family eats at a restaurant that is having a 15% discount promotion. their meal costs $78.38 before the discount, and they leave a 20% tip. if the tip applies to the cost of the meal before the discount, what is the total cost of the meal? round your intermediate calculations and answer to the nearest cent.

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

With finding limits of multi variable !

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?