the area of a square is defined by, a(x) =x^2 - 18x + 81. find a polynomial expression that represents the length of the side of the square.

(x - 2)
(x - 3)
(x - 6)
(x - 9)

What is the square root of 45? (step by step working plz)

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?