Can someone please help me with this

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

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The distributive property allows you to say that 3(x − 1) = 3x −