Pls help I have a test today in math :( no 1 would help me pls try to help and its in 12:20 so I have a lot of time but pls help! I’d really appreciate ty have a good day<33 ( only number 11 )

C. he did not multiply the numerator by 2

Step-by-step explanation:

To find an equivlent fraction, you must multiply the numerator and denominator by the same thing.

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

answer: rolling a number cube and flipping a coin.

step-by-step explanation: