Hallie bikes 158 km before lunch and 614 km after lunch. how much farther does hallie bike after lunch than before lunch? express your answer as a mixed number in simplest form. enter your answer in the box. km

How can you decide witch operations to use to slice a two step equation

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

How do you determine if an ordered pair is a solution to a given equation?