A store is having a sale in which all items are marked 30% off. Which equation represents the selling price, s , in dollars, of an item originally priced pdollars after a markdown 30% of ?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

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

Ill mark the brainliest if you me with the these three questions 7,8,9