What is the mean and mad of this data set

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x