What is the solution to the following system of equations:

7x+2y=24
8x+2y=30
​

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.

Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.