All the sides add like a rectangle with two sides measuring 4 and two measuring 2 so you would add 4+4+2+2=12
Answer:
Step-by-step explanation:
Tổng : -7,5+(-3,6)+(-4,7)+(-5,3)+(-1,4)=-22,5
-5.8 + (-2.5) = -8.3
since both the number are negative you simply add the numbers and use the negative sign.
Answer:
pre-existing cells
Step-by-step explanation: