Giver 26 integers out of the first 100 positive integers, must there exist 2 distinct integers whose sum or difference is a multiple of 50

In trapezoid bath, ah=19.7 and et=16.1. identify be.

Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

Find the distance between (0,5) & (-4,2)