The equation is P= 2w + 2(w+4.1)
The width is 8.2cm
-3x+5y=30
+3x+5y=30
5y=3x+30
divide 5 by everything
answer: y=3/5x+6
I think its 1/6
I'm not sure tho
u take the bottom and subtract it by the top then multiply
The values that make the denominator zero are not in the domain.
x²- 4x - 12 = 0
(x - 6)(x + 2) = 0
Answer: 6, -2