Respuesta :

KJ14Hearts

Answer:

a) 6  b) 19 c) -9

Step-by-step explanation:

a) pattern= +1. 5th=2, 6th=3, 7th=4, 8th=5, 9th=6

b) pattern= +2. 5th=11, 6th=13, 7th=15, 8th=17, 9th=19

c) pattern= -2. 5th= -1, 6th= -3, 7th= -5, 8th= -7, 9th= -9