👆🏼Factorise w² – 2w – 63

👇🏼Write 0.05491 correct to two significant
figures.

🖐🏼Make x the subject of dx = y – ex

👉🏼Fully factorise 64 – 4x²

👈🏼In a football league of 14 teams each team plays each other team once. Work out the total number of matches played.