Diameter of a sphere 7m calculate the sphere volume

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∣∣

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?