y = csc x doesnt have any zeros.
 
        
             
        
        
        
Answer:
12/sin90'=b/sin67'
12sin67'=bsin90'
b=12sin67/sin90'
Step-by-step explanation:
sister ,we can use the law of sines. since we have the angle of elevation and assume the wall makes a right  angle with the ground, our angle opposite the ground is 180-[90+23=67
hope this is  helpful for you
 
        
             
        
        
        
Answer:
1.y=x-4
2.y=−2x+5
Step-by-step explanation:
 
        
             
        
        
        
Answer:
16 km !
Step-by-step explanation:
all the others are FAR too small.. they wouldnt even be one story up ! and 16m  isnt 5 stories either... km would be right ! 
i hope this helps !! 
 
        
             
        
        
        
Answer:
m<JKD = 22 degrees
Step-by-step explanation:
21x + 5 + 4x + 2 = 132
25x + 7 = 132
25x = 125
x = 5
m<JKD = 4x + 2
4(5) + 2
20 + 2
22