Both the options that Nadia gives are wrong about the length of hypotenuse.
Given length of hypotenuse is 73 and options which are :
1) Because the pythagoras theorem states that
squared = 73 squared.
2) 3 squares are positioned to form a right triangle.
We have to choose the correct option which shows the calculation of length of hypotenuse.
Pythagoras theorem says that in a right angled triangle the square of hypotenuse of triangle is equal to sum of the square of base and square of perpendicular.

First option says that 
784+2025=5329
2809≠5329
so it is wrong.
Second option says that the length of hypotenuse is the sum of three squares but we have seen that the square of the length of hypotenuse is equal to sum of two square one is the square of base and the square of perpendicular.
Hence both the options are incorrect about the length of hypotenuse.
Learn more about pythagoras theorem at brainly.com/question/343682
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The rate of change on a graph is the slope
Answer: 80 pixels wide by 100 pixels high
Step-by-step explanation:
The largest image of the mascot that can fit on the website is equal to the maximum space capacity (space allowed) that this website has.
Therefore, if the dimensions of the mascot's image are 300 pixels wide by 375 pixels high, <u>which is very large compared to the allowed space</u> (80 pixels wide by 100 pixels high); the image of the macot must be scaled to 80 pixels wide by 100 pixels high in order to fit in.
Answer:
7 5/12
Step-by-step explanation:
2 2/3 + 4 3/4 = 8/3 + 19/4 = 32/12 + 57/12 = 89 / 12 = 7 5/12