Answer:
88 square units
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Q1) ans-16%
Q2) ans-50%
Q3) ans- 16%
Q4) yes, I think the question 3 and 1 are same
 
        
             
        
        
        
Answer:
The least number of stamps required is 
Step-by-step explanation:
Let the number of  cent stamps be
 cent stamps be  and
 and  cent stamps be
 cent stamps be 
We have

The minimum number is obtained when more   cent stamps are used
 cent stamps are used
Here  cannot be greater than
 cannot be greater than  since
 since 
Substitute 

Not possible since  is not a fraction
 is not a fraction
Substitute 

Not possible since  is not a fraction
 is not a fraction
Substitute 

Possible
Hence minimum number of stamps is

 
        
             
        
        
        
Answer:
Answer is 264 cm^2
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer: The car travels 97.5 miles in 1.5 hour.
Step-by-step explanation:
Given: A car is traveling down a highway at a constant speed, described by the equation , described by the equation  , where represents the distance, in miles, that the car travels at this speed in<em> t</em> hours.
, where represents the distance, in miles, that the car travels at this speed in<em> t</em> hours.
To find : Number of miles car travel in 1.5 hour.
Simply put t= 1.5 in the given expression , we get 
65(1.5)= 97.5
That means , the car travels 97.5 miles in 1.5 hour.