What is the prime factorization of 80

The vertex of this parabola is at (-2, 5). which of the following could be it’s equation? a. y=3(x+2)^2-5 b. y=3(x-2)^2-5 c. y=3(x+2)^2+5 d. y=3(x-2)^2+5

Which of these choices show a pair of equivalent expressions?

41/17 as a decimal rounded to the nearest hundredth