A relation contains the ordered pairs shown. One of the ordered pairs is missing an x-coordinate. {(-1, 4), (0, 4), (2, 5), (3, -6), (?, 7)}
What could be the missing x-coordinate if the relation is a function?
A. 0
B. 2
C. 8
D. -1

Janets dinner costs 7.50. if she wants to leave a 10% tip how mich extra should she leave

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∣∣

When a rectangle is dilated, how do the perimeter and area of the rectangle change?