What is the radius of the largest circle that can fit inside a quadrilateral with side lengths 22, 44, 55, and 66? This is for Geometry but I’m hoping somebody here will know the answer.

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∣∣

In what form is the following linear equation written y=9x+2

What is the sum of these mixed numbers 2 1/8 + 4 3/8