Answer:
your answer to your question is an lb
a.
Scottie = 30
Top of the lighthouse = 45 (30+15)
The boat = 0
The fish = -10
b.
10 + 30 = 40
Answer:

.
Step-by-step explanation:






6 ft 6 in....
1 ft = 12 inches, so 6 ft = (12 * 6) = 72 inches...+ the other 6 inches = 78 inches
78 / 5 = 15.6 inches
30I hope that helps you got this