Answer:
Option 1
Step-by-step explanation:
Rational numbers do not have infinite decimals.
Option 1:
-5, 3/4 and √49 are all rational. Correct
√49 = 7
3/4 = 0.75
-5 = -5
Option 2:
1/4 = 0.25
5 = 5
√12 = 3.4641...
Incorrect
Option 3:
-1/2 = -0.5
-3 = -3
√8 = 2.82841...
Incorrect
Option 4:
1/7 = 0.142857...
9 = 9
√11  = 3.31662...
Incorrect
 
        
             
        
        
        
If Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Then the mean of the sample is 3.75.
<h3>What is Mean?</h3>
The average of a group of numbers is simply defined as the mean. In statistics, the mean is regarded as one of the indicators of central tendency. 
Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. 
Fourteen people answered that they generally sell two cars; nineteen generally sell three cars; twelve generally sell four cars; nine generally sell five cars; eleven generally sell six cars.
Then the mean of the sample will be 

Then the table is given below.
Then we have

More about the mean link is given below.
brainly.com/question/521501
#SPJ1
 
        
             
        
        
        
yes it is right when the vertex of the first polygon is located on 3 - 2 after rotation the work vertex will be there on (2 , 3) it is right
 
        
                    
             
        
        
        
-8x+4=36
     -4   -4
-8x=32
 divde be -8 on both sides
x=-4