Write the number in two forms 15409

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

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.