a.
Scottie = 30
Top of the lighthouse = 45 (30+15)
The boat = 0
The fish = -10
b.
10 + 30 = 40
Answer: B.
Step-by-step explanation:
I hope this helps!
Answer:
300 ft
lenght = x + 8
width = x
then
Lenght = x + 8 = 20 + 8 = 28
Width = x = 20
2x + 3 = 4x - 5
-2x + 3 = -5
-2x = -8
x = 4