Stephanie had ⅞ pound of bird seed. She used ⅜ pound to fill a bird feeder. How much bird seed does Stephanie have left?

Which expression is equivalent to? assume x > 0 and y > 0.

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

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68