What is the answer? i guessed a but i'm not sure.

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?