Which of the following is the missing sign in the box?
DCan't be determined
How I do this paper sir/mam?
The algebraic expression for the statement '12 more than 2 times the product of two numbers l and m' is __________ .
A2lm + 12
B2lm - 12
D12 × 2 (l + m)
A figure is formed by putting two squares one on the other as shown in the figure. If the length of each side of the two squares is 8 cm, then the perimeter of the figure formed is ________.