What is the distance between (3, 5.25) and (3, –8.75)?

What is (28 + 7 + 6 + 3) x 1/2 show your work

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]

If the scale factor between two circles is 2x/5y what is the ratio of their areas?