localchildhatingcrac localchildhatingcrac 08-10-2022 Mathematics contestada If a = 3n+4 and b = 7+9n^2, what is b in terms of a? A) a^2 + 8a + 23 B) a^2 - 8a + 23 C) 9a^2 - 108a + 144 D) 9a^2 - 108a + 148