19. The coordinates of the endpoints of AB in the standard (x, y) coordinate plane are (9,-2) and (-5, 8).
What is the x-coordinace of the midpoint of AB?
A. -2
B. 2
C. 3
D. 4
E. 7

i dont know it

step-by-step explanation:

$18 was the price of the t-shirt

step-by-step explanation:

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