The quadratic equation r2- 8x=20 is to be solved by completing the square. Which equation below would be a step
in that solution?
A. (x-4)2 = 20
B. (x+4)* = 36
C. X-4=+6
D. (x+4)2 =24
E. x-4=+2,5

The sketch shows two parallel lines cut by a transversal. angle 2 2 is 36° 36 ° . what is the measure of angle 8 8 ?

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

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?