Answer:

Step-by-step explanation:
Angles in a triangle add up to 180°


Angles in a straight line add up to 180°


Answer:
x = 7.
Step-by-step explanation:
-5x + 18 = 3x - 38
18 + 38 = 3x + 5x
56 = 8x
x = 7.
Answer:
Y = 6
X = 10
Step-by-step explanation:
Answer:
0.07704056
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
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