Answer:
Yes it is a rational number
Step-by-step explanation:
Rational numbers include positive, negative numbers and 0 that can be ritten as ratio.
3 feet, you divide 81 by 9 and you get the square feet of the pantry, then you divide that by 3
Written as an expression, the statement 'the sum of the square of a number and 34' would look like this:

Hope that helped! =)