Respuesta :

Answer:

a = 24

b = 21

c = -1

Step-by-step explanation:

A. 2(3)(4) = 24

B. 11(3) - 3(4) = 33 - 12 = 21

C. 4(3) - (4)^2 + 3 = 12 - 16 + 3 = -1