Answer:
A
Step-by-step explanation:
Given
n × 3 = 567 ÷ 27, that is
3n = 21 ( divide both sides by 3 )
n = 7 → A
Answer:
20
Step-by-step explanation:
Vertical angles are equal to each other
x = -3x + 80
x + 3x = 80
4x = 80 divide both sides by 4
x = 20
Answer:
6.33
Step-by-step explanation:
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