In the triangle abc the measure of angle a is 2x +3 the measure of angle b is 4x +2 in the measure of angle c is 2x -1what are the measures of the angles

What is the standard form of -5x^2+2x^4-11+x^3+3x

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?

Triangle knm is what is true about the sides of knm