Suppose that there were a strong correlation between the variables d and f.
which of these is a true statement?
a. d may cause f.
b. fmust cause d.
c. d must not cause f.
d. d must cause f

Asystem of equations is given below.y= 1/2x-3 and y=-1/2 x-3which of the following statements best describes the two lines? a.they have the same slope but different y-intercepts, so they have no solution.b.they have the same slope but different y-intercepts, so they have one solution.c.they have different slopes but the same y-intercept, so they have no solution.d.they have different slopes but the same y-intercept, so they have one solution.html