Answer:

1. 35,45,55

2. 4,2,6

3.12,15,10

Answer:

1) 10, 15 ,20, 25, 30, 35 , 40

rule: A(n)=5 + 5n, n≥1

2) 20, 16, 12, 8, 4, 0, -4

rule: A(n) = 24 -4n, n≥1

3) 3, 5, 7, 9, 11, 13, 15,

rule: A(n) = 2n + 1, n≥1

4)  2, 5, 8, 11, 14, 17, 20            

rule: A(n)= 3n - 1, n≥1

5)  1/2, 1/3, 1/4, 1/5, 1/6, 1/7, 1/8

Diko makuha

6) -2, -4, -6, -8, -10, -12

rule: A(n) = -2n , n≥1