30.) Simplify: √18a^2
2a√3
√9a
3a√2
3a√2a
31.) Simplify: 4√5 - 6√3 + 8√5
-2√5 + 8√3
12√5 - 6√3
6√15
6√7
32.) Find the sum of 3√5 and 2√20
7√5
30√2
3√5 + 10√2
60
33.) Find the difference of 9√7 and √28
7√7
11√7
3√5 + 10√2
34.) Simplify: 4√2 + √32 - √16
4√2 + √32 - 4
8√2 - 4
9√2 - 4
4√2 - 16

Question

30.) Simplify: √18a^2
2a√3
√9a
3a√2
3a√2a
31.) Simplify: 4√5 - 6√3 + 8√5
-2√5 + 8√3
12√5 - 6√3
6√15
6√7
32.) Find the sum of 3√5 and 2√20
7√5
30√2
3√5 + 10√2
60
33.) Find the difference of 9√7 and √28
7√7
11√7
3√5 + 10√2
34.) Simplify: 4√2 + √32 - √16
4√2 + √32 - 4
8√2 - 4
9√2 - 4
4√2 - 16

anonymous · Answer

Hi @qwertyfreak - please only post one question at a time. Additionally, please at least write out your question, and try and *learn* how to complete them as opposed to simply asking for answers, thank you!

phi · Answer

Simplify: $ \sqrt{18a^2} $

First, do you know what is the $ \sqrt{a^2}  $ ?

anonymous · Answer

no! im in a hurry can i just have the answers pls?

anonymous · Answer

I have 2 leave in 5 mins for work!

anonymous · Answer

@qwertyfreak - Please review OpenStudy's Code of Conduct (openstudy.com/code-of-conduct). OpenStudy is NOT here to provide you with just the answers, sorry.

Oh, and @phi - great work there, really like how you (started) to help on this problem ;)