A parallelogram has sides of length 19mm, 19mm, 7mm. What is the length of the fourth side of the parallelogram?

Add the fractions and simplify 1/2+ 1/3

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .