Question

Find C D.
C: {3, 6, 9, 12, 15, 18}
D: {numbers divisible by 2 from 1 to 20}

1. {2, 4, 6, 8, 10, 12, 14, 16, 18, 20}

2. {6, 12, 18}

3. {2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20}

4. { }

Answer 1

waht is the sign b/w c & d