Statistics Practice Q2 A. 45 sixth graders, 35 seventh graders, 20 eighth graders

B. 20 sixth graders, 35 seventh graders, 45 eighth graders

C. 45 sixth graders, 45 seventh graders, 45 eighth graders

D. 20 sixth graders, 20 seventh graders, 20 eighth graders

d) 48

step-by-step explanation:

16,32,48,64,80,96,112,128,144,160,176,192,208,224,240,256,272,288,304,320,336

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

step-by-step explanation: it is d

a

step-by-step explanation: