Answer:
to square a number you multiply the number by itself.
a positive number times a positive number is a positive number.
a negative number times a negative number is a negative number.
and if you are multiplying 2 numbers with the same sign they will always be a positive number.
It opens upward when X is an even power. It would be for X squared or X raised to the 4th power.
Y=17400(1+0.025)^8 is your equation and with that you get $21200.21
Each side of the yard is 600 feet
