If in the equation [ 4/t-1 = 2/w-1 ] t ≠ 1 and w ≠ 1, then t = a) 2w-1
b) 2(w-1)
c) x-2
d) 2w

Find an equation of the line perpendicular to the graph.

What is the distance between (–2 1/2,-3) and (1, –3)?

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.