Answer:
Step-by-step explanation:
L=W+390, W=L-390
P=2(W+L), P=2340
2(L-390+L)=2340
2L-390=1170
2L=1560
L=780ft
The answer is D............
9/16
Decimal form - 0.5625
You welcome :)
I just realized I forgot a whole unit we did this year, but a(n)=5n-12
is the explicit form if that helps at all