the set below only contains which types of numbers {-1,5,1/2,15,3.75,36,square root 81,100 are they irrational numbers rational integers or natural numbers

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

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?

Aline passes through 3,7 and 6,9 what equation represents the line