Here is a link to the required notes if you need to print them out.
We first went over solving for a variable in a formula. Here is a video that might be useful if you struggled with that.
If you need extra practice on these (for problems 1 and 2 on the homework), here is a worksheet with more problems.
Then we covered some applications. Here’s a video covering similar material to what I covered.
If you need more practice with these, here is a worksheet with solutions.