Answer:
There are answers since people ask the same questions, the questions are either on ixl or on different platforms. People ask for help here and people answer their questions.
Step-by-step explanation:
Lol right!!!! :)
a.
Scottie = 30
Top of the lighthouse = 45 (30+15)
The boat = 0
The fish = -10
b.
10 + 30 = 40
