I already have the answer for x but is this complementary or supplementary

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.