Need help with, both questions 3 and 4, been stuck on these for sometime now, and highly confused.
please explain and show how you came about the answers so I can know for next time.
Many thanks!!
questions are pictured below!
![Need help with both questions 3 and 4 been stuck on these for sometime now and highly confused please explain and show how you came about the answers so I can k class=](https://us-static.z-dn.net/files/d2b/4142774b8cdb2bf478962473cfadcc08.jpg)