Question

Help please!

Answer 1

what do you need help with?

Answer 2

*Insert question here*

Answer 3

I think this is B but not sure ;-;

Answer 4

@op13456 @Luigi0210

Answer 5

it's D,

Answer 6

Explanation please?

Answer 7

the numbers divisible by 3 from "1-15" are.... 3,6,9,12,15.... and the set B={-3,-1,3,4,9,11}....
so BuD= {-3,-1,3,4,9,11,12,15}....

Answer 8

Thanks mate!

Answer 9

pleasure sir :)