Is the square root of 12 irrational rational

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15