-40
Step-by-step explanation:
at the moment your equation is x+40=0
you move the forty to the other side by subtraction and you get x= -40
A=lw
4.3x2.7=11.61
Area=11.61
Perimeter= 2l x2w
(4.3x2) x (2.7x2)
Perimeter=14
Answer:
6.77ft
Step-by-step explanation:
These are called multiples of 10.