12:7
because you add 7 and 5 and then there is the 7 for the book weight
(A ∩ B) means "A intersection B". Your problem statement tells you the intersection contains
{3, 4}
Answer:
5
Step-by-step explanation:
Have a phd in mathematics! Congrats on your first question!!!! Send me a brainlist :)
Answer: (-29,7) and(19,7)
Step-by-step explanation:
Answer:
I looked it up and it said #3 is an integer #4 is a negitive integer
Step-by-step explanation: