Brandon and his brother Isaac share a rectangular bedroom. One side is 10 ft long and another side is 13 ft long. Brandon says the
bedroom is 23 ft in perimeter and Isaac says the bedroom is 46 ft
in perimeter. Who is incorrect and why is he incorrect?

Asquare parking lot has 6,400 square meters what is the length in meters

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:

If you answer right ill give brainliest, : )