Answer:
6
Step-by-step explanation:
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Assuming you need to find the solution, it's x=3 and y=6
I used elimination
Part A
The angle of elevation of the staire case is given by

Part B:
<span>If
the landing of each step is changed to 17 inches and the elevation of
each step to 21 inches, the new angle of elevation for the
staircase is given by
</span><span>

</span>
Answer: Tigers: Linear Function
Narwhals: Linear Function
Answer:
49 in the first box and 7 in the second one
25 in the 3rd box and 5 in the 4th