Sarah is playing a board game. Her score is -500 at the start of her turn and at the end of turn her score was -220. What was the change in SarahтАЩs score from the start of her turn to the end of her turn

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∣∣

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.