(m+n)² necesito ayuda urgente en este producto notable

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

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0