Can someone help me with this please and thanks !!
Answer:

Step-by-step explanation:
The expression (2 square root sign 27) - (3 square root sign 32) is
.
To simplify, simplify inside the radicals by removing perfect square factors.


The expression becomes
.
This cannot be simplified anymore because whats under the radical is not the same.
Assuming that the exam weight is 100, you would need at least an 80 on the test