Can you please help me with my homework ​

What are “like terms”? why can we only add like terms?

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?

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625