Answer:
no 1 is true
Step-by-step explanation:
no2 also true. thank you
0.2 if you mean 2/10 or 2.5 if you mean 10/2
Answer:
16
Step-by-step explanation:
A square has same length on all sides.
So, 18x-20=42-13x
18x+13x=42+20
31x=62
x=62/31=2
Now you can substitute x=2 in one of the equations to find the length of the side.
18x-20 = (18*2)-20 = 36-20 = 16