Copy and complete each of the Diamond Problems below. The pattern used in the Diamond Problems is shown at right.

1. 

   Hint (a):

   This problem is the same as the other diamond problems, but the $\#$ boxes are now labeled ''$x$'' and ''$y$''.

   More Help (a):

   Add and then multiply $−3$ and $−6$ to fill the empty boxes.

2. 

   Hint (b):

   What numbers add to $29$ and multiply to $28$?

   Answer (b):

   

   See the diamond above.

3. 

   Hint (c):

   Begin by subtracting $8$ from $6$ to find ''$y$''. Then multiply $8$ by ''$y$'' to find the product.