As there are 81 tiles total, that makes your area 81. Being a square, that makes your area equation A=s^2. As you need a side, this makes your equation s=√A. Plugging in 81 as A, we get s=√81=9, so an edge has 9 tiles.
Standard: x=4
implicit: x-4=0
Answer:
(-6, -2)
Step-by-step explanation:


= a = 1, b = 12


= x = -6


= (-6, -2)
Answer:
150m by 300 m
Step-by-step explanation:
150×300=45000
all sides add up to 900m
150+150+300+300