An urn holds 6 balls : a red ball, an orange ball, a yellow ball, a green ball, a blue ball and a purple ball, John selects one ball from the urn, and then, without replacing the first ball, he selects a second ball how many total selections are possible for John

Why do interests rates on loans to be lower in a weak economy than in a strong one

The sum of two numbers is 86, and their difference is 20. find the two numbers

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