Answer:
a^2-b^2=(a+b)(a-b) where a=4x and b=5. (4x+5)(4x-5)
Step-by-step explanation:
Since both terms are perfect squares,factor using the difference of squares formula
Pi IS an: irrational number, a real number
Pi is NOT a: whole number, natural number, rational number, integer
idk what kind of math problem but, if its just simple id us PEMDAS
The length of the dollhouse is 156 square inches