The slope is -1 and includes the points (9,s) and (10,-1) so what’s the value of s

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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?

Interpret the following expression (5y^2-7)^3/(2y)^2