What is the measure of angle DOC, given that AB is congruent to DC

What is the vertical asymptotes of the function f(x)=x-2/x*2-3x-4

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply