Answer:
x=50
Step-by-step explanation:
It is a line so it should be 180 degrease. You already have two of the angles and to find the third (x) you just need to subtract them from 180. 180-105=75, and 75-25 is 50, so x is 50.
Answer:
Which set of side lengths is a Pythagorean triple? 9, 40, 41
Step-by-step explanation:

9 = a
40 = b
41 = c

5x + x^4 - (+3x^4) - (+4x)
5x + x^4 - 3x^4 - 4x
x - 2x^4
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Answer:
false
Step-by-step explanation:
i hope this help you