Sally wants to purchase some school supplies. notebooks cost $3 each and pens cost $2 each. sally is not allowed to purchase more than 12 items. sally knows that she needs at least 4 notebooks and 5 pens. define the variables

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

What is a rational number between 9.5 and 9.7

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