Answer:
The population is expected to double in 36 years
Step-by-step explanation:
According to the the rule of 72,
A value is doubled if the product of the annual rate and number of years is 72,
Given,
The annual rate of interest = 2%
Let x be the time in years after 1965,
By the above statement,
The population will double if,
x × 2 = 72 ⇒ x = 36
Hence, the after 36 years since 1965 the population will be doubled,
i.e in 2001.    ( ∵ 36 years after 1965 )
 
        
             
        
        
        
Answer:
The percentage of the people surveyed that have a cat is 68%
Step-by-step explanation:
we know that
To find the percentage of the people surveyed that have a cat, multiply the given fraction by 100
so

 
        
             
        
        
        
Answer:
You can tell by using the degrees of the angles and the lengths of the sides, congruent triangles will have the same angle measures and same side lengths where as similar triangles will have the same angle measures but different side lengths. 
Step-by-step explanation:
 
        
             
        
        
        
19.18/2.8= 6.85 hours or rounded it would be 7 hours
        
                    
             
        
        
        
r+s^2
4+1^2
4+2
6
Hopefully this helped
Cani get the brainliest please