Ryan played in 3 basketball games. He scored 18 points in the first game and 12 points in the second game. If he scored 42 points in all games combined, how many points did he score in the third game?

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.

Anyone know? will mark brainliest if correct!

10% of 1,900,000. show me how you got the answer