Answer:
The cost of one hamburger is $3.95.
Step-by-step explanation:
15.80/4=3.95
The height of the pole is 6.50 meters
<h3>How to calculate the height?</h3>
To calculate the height of the pole, we will use of the following equivalent ratios.
By Pythagoras theorem, we have:

So, we have:

Hence, the height of the pole is 6.50 meters
Read more about Pythagoras' theorem at:
brainly.com/question/654982
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The mid point would be (1,25.5)
Step-by-step explanation:
The ratio of the two shorter legs of the top triangle is

The bottom triangle has the following ratio:

Since their ratios are the same, this means that the two triangles are similar.
Part A:
y=mx+b
621=83(7)+b
Part B:
621=83(7)+b
621=581+b
621-581=b
b=40
Insurance cost is 40$