John is building a flight of stairs with a 30 degrees incline. Each stair is the same size. What is the hiring of the flight of stairs shown

Which is the graph of the piecewise function f(x)? f(x)=[tex]f(x) = \left \{ {{-x+1, x\leq 0 } \atop {x+1, x\ \textgreater \ 0}} \right.[/tex]

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.