Solve the system by the substitution method. show your work. 2y - x = 5 x^2 + y^2 - 25 = 0

Which number line represents the solution set for the inequality -1/2x> 24?

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?

Solving algebraic equations 2m+3=11