50 meters per second to kilometers per hour? plzz

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

Find the area between y=e^x and y=e^2x over [0,1]