A least-squares regression line:

A. may be used to predict a value of y if the corresponding x value is given
B. implies a cause-effect relationship between x and y
C. can only be determined if a good linear relationship exists between x and y
D. All of these answers are correct.

1 is c

2 is a

3 is a

step-by-step explanation:

the red lines denote the population of the bacteria after 35 hours. that would be 2,409.24. the y-intercept is the blue line which is 800 because that is the starting point. the equation used to make the graph is 800(1.032)^h, where h is the number of hours.

step-by-step explanation:

a) 7x=7

step-by-step explanation:

95.03 is the answer. hope this !