I need help with four answers! Will mark brainliest : )! Q.1:Which symbol replaces the box to make the statement true?

4⋅16−16□4⋅[24−2⋅(4+8)]

Q.2: Which expression has a value less than the given expression when x = 5?

3x + 15

Answers options:
2x²

x² + 5

3(x + 5)

4x + 5
Q.3:Let m = 4 and n = 5.

Select from the drop-down menu to create a true statement.

4m+4n = 2m2+

Answer options:
M
N
MN 2
Q.4: Which expression completes the statement to form a true equation?

28–3+2=

Answer options:
3³

5(4 + 2)

3² + 19

44–24