576 I hope this help cause I did this two years ago so I'm a little rusty but I think this is correct
Answer: B.
Step-by-step explanation: These are the multiples of 15 but what you are probably asking or what are the factors of 15. If ABCD and EFGH are similar, then you should be able to line up corresponding points (for example, A corresponds to E, B corresponds to F). if they're different sizes, you should then dilate one of them so that they are the exact same size.
Supplementary angels complementary angels and congruent angles
The first number for the Y it gives on the chart is the intercept
So 3 is correct
Hope that helped:D