Which has the correct line of best fit ?
A.
B.
C.
D.

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

We just started the introduction into circles and i have no idea how to do this.