Given Tn = 8n - 2

I dont understand really i need help please

Multiplying an even number of negative numbers gives an answer that is choose from:

What is this inequality notation? t is less then or equal to 2

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest