Point S is on line segment start overline, R, T, end overline RT . Given S, T, equals, 5, x, minus, 7, commaST=5x−7, R, T, equals, 4, x, plus, 9, commaRT=4x+9, and R, S, equals, 2, x, plus, 7, commaRS=2x+7, determine the numerical length of start overline, S, T, end overline, . ST .

Point D is on line segment start overline, C, E, end overline CE . Given C, D, equals, x, commaCD=x, D, E, equals, 7, commaDE=7, and C, E, equals, 2, x, commaCE=2x, determine the numerical length of start overline, C, D, end overline, . CD .

Point L is on line segment start overline, K, M, end overline KM . Given K, M, equals, 5, x, plus, 10, commaKM=5x+10, L, M, equals, 4, x, commaLM=4x, and K, L, equals, 3, x, commaKL=3x, determine the numerical length of start overline, K, L, end overline, . KL .

Find the midpoint of a line segment with the given endpoints  (9, -7) and (-9, 5).  If necessary, round to the nearest tenth.

What is the midpoint of a line segment with the endpoints (-6, -3) and (9, -7)?A.(-4.5, 1)B.(1.5, -5)C.(-5, 1.5)D.(1, -4.5)

Given the circle below with secants start overline, E, F, G, end overline EFG and start overline, I, H, G, end overline IHG . If F, G, equals, 25, comma, H, G, equals, 22FG=25,HG=22 and I, HIH is 88 more than E, FEF, find the length of start overline, I, H, end overline IH . Round to the nearest tenth if necessary.