Factors of 12 : 1, 2, 3, 4, 6, 12
Factors of 20: 1, 2, 4, 5, 10, 20
In both lists of factors, 4 is in common. Therefore, the value of K is 4 because it can divide into both 12 and 20 without a remainder. 2 is also another possible value of K.
Q1-(-42)
Q2-(14)
Q3-(-3)
Q4-(7)
Q5-(11)
Q6-(3)
Q7-(-54)
Q8-(-13/2)
Answer: 3• D 4• B (why does this require me to put 20 characters) anyway this is my guess
The mistake is in line 2, the parenthesis means multiplication therefore it has to be 3x
