To find the y-intercept, Ruben noticed that x=0. He wrote the equation 3(0) + 5y = 15.
He then simplified it to 5y=15
What must be the value of y for this equation to be
true? How do you know?

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.