Is this right? i feel like i’m wrong.

In the diagram of circle o, what is the measure of zabc?

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?

What is the best estimate of the length of a football