Answer:

Step-by-step explanation:
⇒ 
⇒ 
⇒ 
First is -1 and 4, second should be no solution and the third is 2 and 6
Answer:
131
Step-by-step explanation:
You just put the biggest number in the box, and then you divide by the lower number.
Answer:add 8 red
Step-by-step explanation:
the ratio is 1 red to 3 blue so you would add 8 red so it would be 9-3 which when u simplify it would be 3:1