Change 30 mm to 3 cm because 1 cm = 10mm
SO

and the answer is 27 cm
this is the answer. this should help
Distributive property means that we can take factor in from of parenthesis.
2l+2w=2(l+w)
The number is not changed, because factor can be easily multiplied by every argument in front of parenthesis.
Yes you did do the tables right
Answer:
X = -19
Step-by-step explanation:
Add x to both sides to get rid of -x
-163 = 13x + 84
subtract 84 from both sides
-247 = 13x
divide by 13
x = -19