Esteban has a big jar of change in his room he has 600 coins total and 240 of them are pennies what percentage of the coins are pennies

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.

On a piece of paper graph f(x)=5•(0.4)^x

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10