Solve the system of linear questions by graphing.
y=2x+5
y=1/2x-1

With #! i’ve tried to figure it out but i can’t.

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.

Divide. write in the simplest form. 4 1/6 divided by 10