Angle 1 and angle 3 are complementary and angle 1 =~ angle 2 which one of these statements will always be true

Use circumcenter theorem to solve for the given values

What is the slope of the line shown below?

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?