Find the value of the missing coefficient in the equation ax-3y=18 so that the line will have the slope -5

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

What is the prime factorization of 195

What is the average rate of change for this function for the interval from x=2 to x=4 ?