- Guías de estudio, Notas de estudios & Resúmenes

This document contains 50 multiple-choice questions on permutation and combination, covering fundamental counting principles, arrangements, selections, and real exam-style problems. Each question is provided with clearly worked solutions, making it suitable for practice, revision, and exam preparation, especially for competitive and school-level mathematics exams.

Hello, my name is Robiya Reji, and I am a student with a passion for creating a new world through writing. My journey may not be filled with grand successes or towering achievements—yet—but it is one marked by a deep desire to make a difference. Growing up, I often felt the weight of expectations and the pressure to succeed. I watched others around me achieve their dreams while I was still searching for my path. It was during this search that I stumbled upon a profound realization: true s...

This covers the second half of the College Board's AP Chemistry class through notes taken in class. The topics are Catalysts/intermediates, Thermodynamics, Equilibrium, Acids and bases, Gibbs free energy, and Entropy

Key terms and formulas for statistics, different distribution types and detailed explanations and use cases, different types of graphs commonly seen in statistics, how to find center and spread, explains 5 number summary, introduction and base uses for the normal distribution.

This comprehensive AP Microeconomics final exam practice set contains 60 high‑quality multiple‑choice questions that mirror the style, difficulty, and wording of real College Board AP Micro exams. It fully covers all major units: basic economic concepts, supply and demand, elasticity, consumer and producer surplus, market equilibrium, taxes, subsidies, and externalities; firm production, costs, and profit maximization in the short run and long run; perfect competition, monopoly, monopolistic...

I want to make money and i don't want to waste my notes so for that reason i am selling my notes in this website and like this i have many notes for selling as soon as i will sell all this notes so that some curious student can also see my notes.

Explore key aspects of early childhood development,covering growth milestones,learning strategies and parenting tips. Understand how children develop social, emotional and cognitive skills in their crucial early years

Beginner terms and concepts in statistics. What is Statistics? Key terms, types of studies, types of variables, controls, experimental designs, blinding, theorems

These lecture notes is all about cell cycle regulation and how cancer cells are created.

My short notes for our biology class. It's about substance transport and its two types.