5. What is the midpoint of the segment joining (12,2) and (-5,-7)? A.(5,-3) B.(9,17) C.(8.5,4.5) D.(3.5,-2.5)
6.The diameter of a circle has endpoints (-2,0) and (2,1).which is closest to the length of the diameter of the circle? A.4 B.1 C.5 D.square root of 17
7.The distance between the points (-2,-4) and (3,8) is: A.square root of 17 B.13 C.169 D.17