precalculus help! i'm having some trouble with my summer assignment. help would be very appreciated :)))

Problem 3:

We are given the following complex number and I'm assuming we want to simplify it:

Using the complex arithmetic rule (research about this if you're not familiar with it, it's very helpful):

Simplifying gives us:

Problem 6:

You seem to have done this problem correctly

Expanding gives us:

This can't be simplified further as the 8th root of 8 gives us an irrational number

Let me know if you need any clarifications or extra help, thanks!

hi there!

the answer will be d: 2

the correct answer would be:

220 centimeters

to get this you can use the pythagorean theorem

hope this

step-by-step explanation: