If you are looking for crowd-sourced study guides, rely on reputable platforms like Quizlet or Chegg, where students and tutors break down specific textbook problems step-by-step. How to Use the Answer Key for Maximum Learning
If you are an instructor, you can request access to McGraw-Hill’s instructor resources through their official website. If you are a student, speak with your professor about whether answer verification options can be made available—some instructors are happy to provide answer keys for odd-numbered problems or graded self-checks.
To help point you in the right direction, what from Volume 2 are you currently working on? I can explain the core theory concepts or walk you through an example problem right now. Share public link
If your request refers to the ABRSM workbook series, the "Model Answers" are sold as separate booklets: