Question

Please Help I Will Mark Brainly.

Answer 1

Answer:

13

-1

675

3

Step-by-step explanation:

Answer 2

Answer:

1. 5,9,13

2. 5,2,-1

3. 150,325,500,675

4. -9,-5,-1,3

Step-by-step explanation:

1. 5,9 5+4=9 or 9-5+4

2. 5,2 5-2=3 or 2+3=5

3. 150,325,500 325+175=500 or 500-325=175

4. -9,-5,-1 -9+4=-5 or -9 - -5= 4