where will i find my notes?

Are there any practice exercises we can try by ourselves, also lecture transcripts. If not, is there a textbook we can buy which has both notes and exercises. It's a bit hard searching for exercises by oneself as you get 3/4 of the way through a problem to find thatr you need the info in a topic not yet covered.

I'm already ready to take the assessment. I have full confidence I will pass.

Very simple technique. we can also solve it by using cross multiplication technique.

Is it possible?

why rearrange the formula

when do we do our test