Atypical person has an average heart rate of 71.0 beats/min. calculate the given questions. how many beats does she have in 3.0 years? how many beats in 3.00 years? and finally, how many beats in 3.000 years? pay close attention to significant figures in this question.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.