What is the common difference between the elements of the arithmetic sequence below?

–18, –22.5, –27, –31.5, –36

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∣∣

Brent wants to know what is 5 x 1/2

What value of x is in the solution set of 4x – 12 s 16 + 8x?