What is the distance between (5.75,0) and (-5.75,0)

Which equation represents a circle with a center at (–3, –5) and a radius of 6 units? (x – 3)2 + (y – 5)2 = 6 (x – 3)2 + (y – 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36

Which statement justifies why angle ebc measures 90?

Can someone check if i did this correct. it’s number 4 if you’re wondering.