Front yard
65+65+45+45=220
Back yard
45+45+35+35=160
220+160=380
380 feet
Answer:

Step-by-step explanation:

…………………………
f(y) = x
⇔ 5y = x


Answer:
Step-by-step explanation:
f(x) = x^2 + 5
g(x^2 + 5) = (x^2 + 5)^2= x^4 + 5x^2 + 5x^2 + 25 = x^4 + 10x^2 + 25
h(x^4 + 10x^2 + 25)= -2(x^4 + 10x^2 + 25)
-2x^4 - 20x^2 - 50