Jessica can do 60 jumping-jacks in 2 minutes. Dale can do 150 jumping jacks in 5 minutes. Are these rates equivalent? Explain your reasoning.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

step-by-step explanation:

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answer would be 8.64 or s = 11π/4 inches

step-by-step explanation:

s = r θ  

where s = arc length  

r = radius = 3 inches  

θ = central angle in radians = ( π /180)*165  

s = 3(π/180)*165  

= 8.64 inches

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