In figura alăturată este reprezentată o roată de bicicletă, razele OA, OB representånd două dintre
spițele roţii. Dacă OA = 30 cm și arcul mic AB are măsura
de 60°, atunci calculați lungimea arcului mic AB. )
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$53.50

step-by-step explanation:

you have to subtract the amount of money chuck earned ($72.50) by the cost of the gas for the mower ($11.25) and the new string for the trimmer he bought ($7.75).

72.50-11.25=61.25

and then subtract $61.25 by the second thing he bought (the new string for the trimmer)

61.25-7.75=53.5

so in total it's $53.50 (53 dollars and 50 cents)

answer: 270

step-by-step explanation:

you have to times 200 by 1.35 to get your answer

answer: 1inch=7days  

12inch=12*7=84days

step-by-step explanation: