1 A local racewalking club is hosting a race. They collected data about their members' speeds to determine how long
volunteers will need to help at water stops along the route. By calculating the range of the data, the club can determine
when the first and last athletes will approach each water stop. Which dot plot displays a range of 1.8?

the answer is n

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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

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step-by-step explanation:

the correct option is b

step-by-step explanation: