Alight year is defined as the distance light travels in one year. one light year is 9.46 x 10^12 kilometers. a galaxy is about 150.000 light years wide. about how many kilometers wide is the galaxy?

Of four points are collinear, they are also coplanar

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by