False because you walk both the sides so you would have to do 360x2 added to 160x2
        
             
        
        
        
Answer:

Step-by-step explanation:
Let
y --->Mala's age
x---> sister's age
we know that
 ---> equation A
so
The sum of ages of the sisters is 

substitute equation A in the expression of the sum of ages

simplify

 
        
             
        
        
        
Answer:

Step-by-step explanation:
Here two points are given to us and we need to find the distance between the two points . The given points are , <u>A(</u><u>0</u><u>,</u><u>0</u><u>)</u><u> </u>and <u>B(</u><u>8</u><u>,</u><u>2</u><u>)</u> . The distance between the two points can be found out using the<u> </u><u>Distance</u><u> Formula</u><u> </u>, which is ,
<em>Distance Formula:- </em>
 
Therefore on substituting the respective values ,we can find the Distance as ,
 
<u>Simpl</u><u>i</u><u>fy </u><u>the </u><u>brackets</u><u> </u><u>,</u>
 
Square the numbers inside the squareroot ,

Add the numbers inside the squareroot ,
 
Find the value of squareroot,
 
<u>Hence</u><u> the</u><u> </u><u>distance</u><u> between</u><u> the</u><u> two</u><u> points</u><u> </u><u>is</u><u> </u><u>8</u><u>.</u><u>2</u><u>4</u><u> </u><u>units </u><u>.</u>
 
        
             
        
        
        
Answer:
not a function.
Step-by-step explanation:
the x value/set a has to have 1 line from each but the -3 has 2 lines, therefore not a function
 
        
             
        
        
        
Area= 3x0.8 =2.4
Perimeter= 3+3=6
 0.8+0.8=1.6
6+1.6=7.6
Pls mark brainliest