If ( y + 2)(5y -2)=0 and y> 0 what is the value of y

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?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?