Edison delivers 1/5 of the newspapers in the neighborhood, and Anita delivers 1/2 of them. Together, Edison and Anita deliver what fraction of the newspapers?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

One side of a rectangle is 7 centimeters shorter than six times the other side. find the length of the longer side if we also know that the perimeter of the rectangle is 266 centimeters.