only need the asnwer

For all integers a, b, and c, if a b and ac, then a? | bc True False Question 3 Group the following numbers according to congruence mod 13. That is, put two numbers in the same group if they are equivalent mod 13. {-63, -54, -41, 11, 13, 76, 80, 130, 132, 137} O {13,130} {-63,80,132}{137}{-54,-41,11,76} O {13,130,80} (-63,132}{-54,-41,11,76} O {13,130} {76,80,132}{11,137}{-54,-41,-68} O {76,80,130,132}{11,13,137}{-54,-41,-63} Question 5 The prime factorization of 140/10 = 221.51-17 22+1 .51+1 .7 14.10/10 Question 6 given prime factorization of 1078 = 2.72.11 prime factorization of 140 = 22.5.7 gcd(1078,140) = 14 140 2 140872