Answer:
140°
Step-by-step explanation:
<3 = 40 because they are vertical angles
<3 +<4 = 180 because they are same side interior angles
40 + <4 = 180
Subtract 40 from each side
40-40 + <4 = 180-40
<4 = 140
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Step-by-step explanation:
Answer:
-3 + 6 = -3
Step-by-step explanation:
add the terms -3 and 6
exponent law
