How do i solve this problem using the substitution method?

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

Which of the binomials below is a factor of this trinominal? x^2-13+30

The coordinates of vortex a’ are (8,4) (-4,2) (4,-,4) the coordinates of vortex b’ are (6,6)(12,-,12)(12,12) the coordinates of vortex c’ are(-2,,12)(4,12)(12,-4)