👉🏼Fully simplify

👈🏼Calculate the length of BC below:

🖐🏼A rectangular playground is 10m longer than it is wide. If the area of the playground is 375m², find the width and the length of the playground.

👆🏼Baz normally sells items in his shop for 80% above cost price. In the January sale he reduces all of his prices by 40%. What percentage profit does he make on items sold during the January sale?

👇🏼Copy this Venn diagram and shade the area A’ ∪ B’: