Answer:
Rational
Step-by-step explanation:
An irrational number is a number with forever continuing decimals. Plug it into the calc and you can see if there is a long decimal line that ends. You should get 1.4 in the calc, and since it does end, it is a rational number.
Answer:
B
Step-by-step explanation:

We subtract 4 from each side to get 
Let's plug in a random point such as 0.

Since this is true, the inequality we made is true.
Answer:
THIS MAKES NO SENCE
Step-by-step explanation: