Answer:
<h2>D: y= -(1/3)x -3</h2>
Step-by-step explanation:

<span> Yes, there is a "relationship" regarding the </span>tangent<span> of the two acute angles (A and B) in a right triangle.</span>
Answer:


Step-by-step explanation:
Given

Solving (a): The cost function:
From the given parameter, it shows that the number of floor has no effect on the floors.
So, represent the floors with x.
The cost function is:

Solving (b): The slope and its interpretation
A function is represented as:

Where:

By comparing:
to 

So:

<em>What it means is that, no matter the number of floors, the cost remains unchanged.</em>
Answer:X=3
Step-by-step explanation: Option B
Answer:

Step-by-step explanation:
Let me know if you want the full explanation. Have a great weekend! ❤