Step-by-step explanation:
you just have to use the definition of union and cross section
Answer:
Is there supposed to be an attachment? if so please send it so I can answer your question.
Answer:
what are u asking here?........
Answer:
A and B can be correct
Step-by-step explanation:
12:24 and 1:2 are both equal to each other
Answer:
Okay, I think you mean't 4x-9=6x+12.
Step-by-step explanation:
x=-7