Sean had 42 books and in the last year increased his collection to 58 books what is the relative increase in books​

Write the pair of fractions as a pair of fractions with a common denominator

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 .

What makes a trapezoid an isosceles trapezoid?