When n = 4, which of the expressions below will be greater than 20? Select all that apply.
A) n2+6n÷3
B) 12n –(6n+3)
C) n2–6
D) 4(n+6) –3n

Respuesta :

B. 12n - (6n+3) = 21
D. 4(n+6) - 3n = 28