HSC Business Studies – Operations notes Jess Operations notes under HSC Business Studies (15040). Written in 2020, these 28 pages long notes got me a Band 6. All sub topics are covered. $10.00 – Add to Cart Checkout Added to cart HSC Business Studies – Human Resources notes Jess Human Resources notes under HSC Business Studies (15040). Written in 2020, these 30 pages long notes got me a Band 6. All sub topics are… $10.00 – Add to Cart Checkout Added to cart HSC Mathematics Standard 2 (Year 11 & 12) notes Jess HSC Mathematics Standard 2 (Year 11 and 12) notes covering General Mathematics. These 36 pages long notes got me a Band 6. Important formulas are… $10.00 – Add to Cart Checkout Added to cart