Answer:
Step-by-step explanation:
Given that a curve in polar coordinates is given by:
 r=9+3cosθ
a) At point P, we have 

Substitute to get

b) Cartesian coordinate is

c) At the origin r =0
when r =0
we have

Since cos cannot take values as -3 it doe snot pass through origin.
 
        
             
        
        
        
Answer:
Step-by-step explanation: 4
 
        
                    
             
        
        
        
(5/8)*10lbs = 6.25 lbs
(2/5)*10lbs = 4 lbs
(3/4)*10lbs = 7.5 lbs
then add and convert to ounces. 
ignore my reply it is wrong.
        
             
        
        
        
To find the sales tax multiply the purchase price by the sales tax rate. Remember to convert the sales tax rate from a percent to a decimal number. Once the sales tax is calculated, it is added to the purchase price. The result is the total cost—this is what the customer pays.
 
        
             
        
        
        
Answer:
The answer is A. 133
Step-by-step explanation:
84 + 92 + 87 + 104 = 367
367 + 133 = 500