Answer:
It is b
Step-by-step explanation:
I graphed all of them
Answer: 
<u>Step-by-step explanation:</u>
First pick (blue) and Second pick (red)
x 
= 
= 
= 
Answer:
1357, 1359, 1579, 1573, 1375, 1379, 1957, 1953
Step-by-step explanation:
Since this number needs to be less than 2000, the first number has to be 1. You can randomly pick and choose any of the numbers after that.