Answer:

Step-by-step explanation:
There is no graph posted, but y-intercepts are <em>x</em>'s are set equal to zero.
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Answer:
C = 11.18 D= 20
Step-by-step explanation:
Let's start with C
Square root both areas of the squares


Then use the Pythagoras Theorem: 

= C
Moving on to D
Square root both areas of the squares


29 is the hypotenuse, we are trying to find the other leg, so:

= D