Questions for assignment on operations of radicals

2. Radical Expressions are called common if their radicands, the
terms under the radical sign, have the same value.
Common Radicals Not Common
Radicals
4 3 and 5 3 4 3 and 4 5

3. Question 1:
Mari and Justin’s math teacher put two radical expressions on the board,
3 10 and 5 2 + 8
Mari said the two expressions were common radical expressions but
Justin disagreed. Who is correct? Explain why they are correct.