3x + 40 + x = 180
-40. -40
——————————-
4x. 140
—. ——-
4. 4
x = 35
Answer: 918km^2
Step-by-step explanation:

Let x be the new dimension of the area;


Answer:
Step-by-step explanation:
simplify (5-3)
PEMDAS= parentheses- e -MULTIPLY- DIVIDE - ADD- SUBTRACT
2(5-3)2+62
(2*2)2+62
8+62
70
Answer:

Step-by-step explanation:
Factor out comon Term -1

Factor 

Use the rational root theorem

The dividers of
: 1, 5, The dividers of
: 1
Therefore, check the following rational numbers: ±
is a root of the expression, so factor out 



