How to set up a proportion and find the value of the variable triangles

Use circumcenter theorem to solve for the given values

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90