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Divide 28 by 4 so that number is 1 week because 28/4 is 7 and there is 7 days in a week
X^2+92 is the simplest form first solve the second parentheses. 10^2+2=102 then add -10. 102+-10 is the same as 102-10=92 plug back in x^2+92.
Not completely sure what you are asking, but the area of a square with the side lengths of 230m would be 230*230=52,900.
Answer:
x(1+x+x^2)
Step-by-step explanation: