Zach keeps his pet chameleon pinky in a terrarium with the dimensions shown below. there are 333 inches of sand in the bottom of the terrarium. zach gets a new terrarium for pinky that is larger. the base of the new terrarium is 101010 by 242424 inches. zach moved the existing sand to the new terrarium.

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:

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Which two undefined geometric terms always describe figures with no beginning or end?