What's the lcm

9, 12 and 18
list the factors

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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 ?

How is the number of vertices for a prism related to the name of the prism