There are 2 red balls and 5 green balls. write the ratio of red to green balls

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.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.