This week was largely unproductive, as I was forced to wait on the order to ship. Once it arrived, the focus was on setting up the Force Sensitive Resistors to trigger, and to make the Multiplexer read them sequentially.
This takes advantage of the fact that the sequence of pins is in binary.
For example, pin Y0 can be read by setting the calibrating pins to 000 (all LOW signals), while pin Y6 can be read with 110, or a 6 in binary. This was found through the datasheet for the multiplexer on Sparkfun, located here.
The resistors were tested by attaching them to an LED and seeing how its brightness varied as pressure was applied to the touch point, as their brightness was affected by the overall resistance of the circuit.