Hi there! Thanks for reaching out to us. It sounds like you’re having trouble using the RSS and Math connectors. Could you please provide a bit more detail about what you’re trying to do? That way, our community members can better help you. Stay tuned for their responses!
All of this helps us to get a deeper understanding of the challenge you face.
You could use an array aggregator after the RSS feed shape as shown in the screenshot. Then the list of feeds items will be in an array. Your next step uses a set variable and then you can generate a random number using the max of the range as the array length. This way the generated random number you could use to get the particular array entry info to use as your random RSS feed item.
Hope this helps.