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.
Sub the numbers in
7 + 9(6)
=7 + 54
=61
The surface area of the cube is 24 feet.
