Master prompts with the 2026 guide to roles, tasks, context, examples, output, and constraints, with steps for chain of thought and verification ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Andy Smith is a Certified Financial Planner (CFP®), licensed realtor and educator with over ...

The bar model method is a great way to visualise tricky mathematical concepts and solve problems. They are a quick and easy way to represent a situation in a word problem. Bar modelling can be used to ...

We have looked at how to solve equations with one unknown value, but what happens when there are two unknown values? An equation with two unknown values will have infinitely many solutions. or \(x=100 ...