Mr. Smith, the Math teacher, looks at his class Mean this semester and determines that it is 72%. He is told that he will be receiving a student (Blake) from the class down the hall who's personal Mean this semester is 80%. What will happen to Mr. Smith's class Mean as a result of Blake joining his class? * It will go down

It will go up

It will stay the same

It is impossible to know

Other:

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

Ten times the square of a non-zero number is eqaul to ninety times the number

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5