Answer:
the answer is perpendicular I think :)
 
        
             
        
        
        
Answer:
Pythagoreas Theorem
Step-by-step explanation:
a^2+b^2=c^2
4^2+b^2=15^2
16+b^2=225
b^2= 209
14.45=b
 
        
             
        
        
        
Answer:
0.643
Step-by-step explanation:
Let, s = play a sport
c = participate in a club 
P(s) = 0.14
P(s n c) = 0.09
probability that a student participates in
a club given that they also play a sport = P(c | s) 
P(c | s) = P(c n s) / P(s)
P(c | s) = 0.09 / 0.14
P(c | s) = 0.64285
= 0.643
 
        
             
        
        
        
Answer:
18 
Step-by-step explanation:
since the equation of AC is y=x-4 then the length of CB and AB must be the same. therefor its (6*6)/2
 
        
             
        
        
        
Answer:
15(5)+3=78
21(5)+4=109
78+109=187
Step-by-step explanation: