Answer:
-4
Step-by-step explanation:
trust me im smart
 
        
                    
             
        
        
        
Given:
(a+10) and (a+20) are supplementary
To find:
Each angle
Steps:
if 2 angles are supplementary that means they add up to 180°
(a + 10) + (a + 20) = 180
    a + 10 + a + 20 = 180
               2a + 30 = 180
                       2a = 180 - 30
                       2a = 150
                         a = 150/2
                         a = 75°
Now let's find value of each angle,
a + 10 = 75 + 10
           = 85°
a + 20 = 75 + 20
            = 95°
Therefore, the value of each angle is 85° and 95° respectively 
Happy to help :)
If you need any help feel free to ask
 
        
             
        
        
        
Answer:
math.way will help
Step-by-step explanation:
 
        
                    
             
        
        
        
<span>$12,385 APR = 6.9% 5 years= $864.565 monthly payment per $100 is $2.44 $12,385 + $864.565 =$13,222.565/60 =$220.37+ $2.44(2) =$225.25 Monthly</span>
        
                    
             
        
        
        
B, 190.
First you find the area of the circle (pi times radius squared) however, since you are given diameter, you must find radius by dividing diameter by 2. So, your radius is 9, then you plug it into the formula and you get 254.5. After multiplying this by 0.75 because you only want to find 75 percent of the area, you get the answer of 191m