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Simplify: √45 + √80
√125
7√5
8√5
12√5
What is the value of 5-2?
-25
25
1/25
-1/25
What is the value of 40 + 41?
1
5
4
8
Simplify: 37 × 34
328
311
911
33
If 5x = 25, what is the value of x?
3
2