The group that fits neatly onto the end of the table, the ? , are unwilling to mix with the other elements, to react with them.

option 1

data plot with   3 dots over 33, 1 dot over 34, 2 dots over 35, no dot over 36, 1 dot over 37, 2 dots over 38, 4 dots over 39, and 2 dot over 40.

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.

my answer is$ 12

step-by-step explanation:

because 15 -2=12