Find ,each difference and simply if possible 9 2/6 - 6 5/6

The deck that kenneth is building is in the shape of a parallelogram abcd the measure of angle c is one third the measure of angle b find the measure of each angle of the deck

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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.