What is 7 7/8- 31/4 simplified

Which ahows the graph of the solution set of 6x+4y< 12

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.

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list