18 - 2x = 4x ....addition property....add 2x to both sides
18 = 6x .... division property...divide both sides by 6
3 = x
√4 + <span>3√9 = 2+3*3 = 11.
This is a rational number, since the answer can be express as a fraction (e.g., 11/1).
This does not hold for square roots in general. For example </span>√3 is irrational.
Because the situation represents a profit, the integer is 9.
Answer:
50 square feet
Step-by-step explanation:
Length x width
