Solve the systems by the addition method: a) {x-2y = -4 2x + y = 7 b) {2x + y = -1 x-2y = -4

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

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?

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement