To measure the width of a river, a surveyor starts at point A on one bank and walks 75 feet down the river to point B. He then measures the angle ABC to be 22° Estimate the width of the river to the nearest foot. See the figure below. C с A 75 ft B​

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