What are the greatest common factor of 28 and 32

Which of the following is the correct equation for this function? a. y= (x+4)(x+2) b. y=x^2+ 3x – 2 c. y+ 2 = – 2(x+3)^2 d. y+ 2 = 2(x+3)^2

Can someone pls ! pls answer all. no explanation needed..

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be