The two straight lines around the number indicate absolute value. Absolute value is the distance from the number to zero (essentially how many marks away on a number line).



It is equal to
100.
it will be 3.
Step-by-step explanation:
Answer:
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Step-by-step explanation:
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Answer:
j
Step-by-step explanation:
Answer: see attachment
<u>Step-by-step explanation:</u>
Since A = C = 105° and D = 60°,
then A + B + C + D = 360°
105° + B + 105° + 60° = 260°
B + 270° = 360°
B = 90°