Given z1 =9+9/3i and z2 = 2+/3i, what is z2-z1? 8+7/3i

-7-8/3i

7+ 10/3i

-7+ 10/3i

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.

Find the distance between (7,-6) and (-3,-9)

Can someone me and explain..will award brainlest!