Determine which of the lines, if any, are parallel. Explain. line a passes through (-1,-2) and (1,0)
line b passes through (4,2) and (2,-2)
line c passes through (0,2) and (-1,1)

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.

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

15/16 as a decimal rounded to the nearest hundredth