The first thing we are going to do to graph our equation is solve them for 

:
For our first equation:



For our second equation:


Now, we just need to use the graphing utility to graph our equations:


We can conclude that the graph of the equations is:
 
        
        
        
<span>This indicates the blood calcium level is very low .This condition is known as hypocalcemia. The low calcium level may result from a problem with the parathyroid glands as well as from diet,kidney disorders,or certain drugs also causes low blood calcium level.</span>
        
             
        
        
        
Aliana will use 3.75 inches to make her necklace
        
             
        
        
        
Answer:
A. 236
B. 164
Step-by-step explanation:
18% of 200= 36
200+36=236
200-36=164
 
        
                    
             
        
        
        
<em>The regular price was $110</em>
- <em>Step-by-step explanation:</em>
<em>Hi there ! </em>
<em />
<em>60% .......... $66</em>
<em>100% ..........$ x</em>
<em>x = 100×66/60</em>
<em>=  6600/60</em>
<em>= $ 110</em>
<em />
<em>Good luck !</em>