<u>The error is that they had placed the numbers in the wrong placeholder.</u> Remember that the Distance formula is
.
<em><u>Correct Work:</u></em>

Answer:
x=7 and y=37
Step-by-step explanation:
the ans of the given triangles are given .
Answer:
42cm^2
3x2=6x7=42
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer:
Step-by-step explanation:
Perimeter is simply length + width. They gave us that the length is 2 feet plus 2 times the width:

Subtract 2 from both sides to get 23 = 2w + w
Combine like terms to get 23 = 3w
Divide by 3 to get
feet