### System Speak

Five equations... five unknowns... can you solve the system?

### Area L

By sketching a graph of a continuous increasing function, can you prove a useful result about integrals?

### Irrational Arithmagons

Can you work out the irrational numbers that belong in the circles to make the multiplication arithmagon correct?

Do you know any values of $a$ and $b$ that satisfy $a^b=1$?