What is the missing value in this table of equivalent ratios?
10 18
15 27
20 36
25 ?
30 54
a.
45
b.
48
c.
50
d.
54

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2

9987

step-by-step explanation:

x = 3 ± √(5+y)