Sharon is decreasing the size of a diagram of a leaf that is 30 cm. long by 10 cm. wide. if the reduced diagram is 4 cm wide how long will it be?

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

Which one ? is the answer and how to find this answer