What is the slope of the line and y intercept pls help me

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

The diameter of a bacteria colony that doubles every hour is represented by the graph below. what is the diameter of the bacteria after 8 hours? graph of a curve passing through the points zero comma 1, one comma two, two comma four, and three comma eight

See the attached imagewhat is the value of x? enter your answer in the box.