This year a herd of bison had a 10 percent decrease in population; if there are 550 bison now how many bison are there?

Which of the following points is collinear with (-2,1) and (0,3)

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.

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.