Question

which of these are co-primes
a 3,18
b 7,98
c 2,9
d. 8,16​

Answer 1

Answer:

c 2,9

Step-by-step explanation:

the 9 is is divisible by 3 and 9 and who is divisible by only 1 and 2

Answer 2

Answer:

c

Step-by-step explanation:

there are no common factors between 7 and 9