180-129= 51
angle 4 is equal to angle 12 so missing angle 12= 51°
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Answer:
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12,14,16
You reduce similar terms ("n" and numbers) then you just simplify the equation and kind of guess the even numbers that equal 42 based on your answer (12)
Answer:
6 students.
Step-by-step explanation:
let the number of students in class be<em> x</em>
Since Half of the class represents half of the students, therefore
Number of student who got A in test = 
Now if one more student got A in test then the number of students who got A in test will be 
Now according to equation,
Further solving
Hence the total number of students in class is 6.
