Pls help me for 15 points

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

The graph shows the distance kerri drives on a trip. what is kerri's speed?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?