Archaeologists found part of the circular wall that surrounds an ancient
city. They measure the distances shown. The 272-m segment lies on a line
through the center of the circular wall. What was the diameter of the
circular wall?
310 m
805 m
272 m

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

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

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