Sasha hikes into a canyon. She takes a break at the rest stations every 23 of a mile. If she started at sea level and has hiked down to the fourth rest station, what is Sasha’s elevation now?
Select all that apply.
A. −83 miles
B. −423 miles
C. 143 miles below sea level
D. 223 miles below sea level
E. 43 miles above sea level

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