The sum of the measures of the interior angles of a convex polygon is 1620°. Classify the polygon by the number of sides.

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∣∣

Find the slope of a line given the following two points

For each proportion find the unknown number x 1/5/8=×/15