Answer:
5
Step-by-step explanation:
since 3 - 2 = 1, and 15 - 10 = 5, it would be 5 (3 - 2) since 15 - 10 = 5
Well since we don't know what X or Y is, then we can't answer this question.
yes its 14 crishmas tree.
4
try google
-24
substitute by 2
2²-12×2+q=0
q=-24
