There were 13 bikes sold for every 2 scooters sold. if there were 132 fewer scooters sold than bikes, how many bikes were sold

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

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 ?

Ineed to know the answer to this algebra question.