What is p=(r-c)/n formula name

Ac contractor is building a new subdivision outside of the city. he has started work on the first street and is planning on the other streets to run in a direction parallel to the first. the second street will pass through (-2,4) find the equation of the location of the second street in standard form. a.2x+y=2 b. x-y=2 c.2x+y=2 d.x+y=2

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)