Select if each equation is true or false

Anthony is making a collage for his art class my picking shapes randomly. he has five squares, two triangles, two ovals, and four circles. find p( circle is chosen first)

What is the sum of these mixed numbers 2 1/8 + 4 3/8

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles