Please help! this assignment is due under 10 minutes! please with explatiation Thank you!

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.

Use multiples to write two fractions equivalent to 7/9. 14/18, 8/10 6/8, 21/27 10/12, 28/36 14/18, 21/27

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost