Answer:
C
Step-by-step explanation:
Using the rule of radicals
×
⇔ 
Simplifying each radical before combining them.

=
=
×
= 3
-----------------------------------------------------------------------------

= 
=
×
= 5
---------------------------------------------------------------------------
Hence
2(3
) - 3(5
= 6
- 15
= - 9
→ C
Answer:
3. is B
4. is A
Step-by-step explanation:
A
D
B
A
C
B
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Answer:
7, 13 3,7 17,3 13,2
Step-by-step explanation: