Edit: Nevermind, I figured it out! I jumped the gun in making this post.
I'm doing another problem from Schaum's Outline: Basic Circuit Analysis. The problem, #3.24, and its solution are found in this...
Thanks, Rainier. That helps a lot!
For some reason, I thought that the voltage reference symbols indicated whether an element supplied or consumed power. This clears up my confusion about "resistors supplying power."
Thanks again!
I have read that those with bachelor's degrees in math and or physics enter the work force in the capacity of software developers. I am curious as to how they acquire the necessary programming skills. Do employers assume they're "smart enough to learn" and provide a period of time for on the job...