Determine the sum: (14abc^2 + 12a^2b + 16b^2c) + (-3abc^2 + 2b^2c)

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Extra points! find the missing dimension! need asap

Drag each number to the correct location on the statements. not all numbers will be used. consider the sequence below. -34, -21, -8, 5, complete the recursively defined function to describe this sequence