<span> Do you mean this one? </span>∑
It is summation.
Answer:
Step-by-step explanation:
Fist you add -13 to 6y and than 4x that should be 69420
Answer:
162 [m²].
Step-by-step explanation:
required surface is:
A=(3*7+6*7+3*6)*2=162 [m²].
Check the attachment for the answers. Click on it again to make it bigger.
Answer:
He paid $33 dollars for the shoes
Step-by-step explanation: