The length of a rectangle is 2 1/2 times its width. The perimeter of the rectangle is 84cm. Find the dimensions of the rectangle

Factor the monomial completely 42a3b3

What is the y intercept of f(x)=(1/2)^x?

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