To solve the system of equations below, Lisa isolated the variable y in the first equation and then substituted it into the second equation. What was the resulting equation?

The graph shown is the graph of which function?

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?