3 lbs, 7 ounces = ounces

55 ounces

Step-by-step explanation:

16 ounces = 1lbs

Equation : 3(16) + 7= x

3 times 16 is 48

48 plus 7 is 55

answer: -2+√x,-2-√x

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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