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Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Find the roots of the equation below. x^2 - 6 + 9 = 0

Describe a situation that you could represent with the inequality x< 17