Sound travels through the air different materials at different speeds. the graph shows that one second, sound travels 5971 meters through a stone. however, it travels only 346 air in one second. air, 20 seconds.

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.