Answer:(-3 ,2.5)Step-by-step explanation:midpoint formula is x1+x2 y1+y2(___ , _____ ) 2 2(-7,-2) -7 is x1 i.e the first x point and -2 is y1 1st y point(1,7) 1 is x2 i.e the second x point and 7 is y2 the second y pointnow we use input the numbers to the formula-7+1 -2+7 (____ , --------)2 2we the signs are different you subtract and use sign of greater number-6 5__ , ___2 2Now you divideand here is the ordered pair for midpoint.(-3 ,2.5)