Which of the lines below is perpendicular to y= -2/5 A. y=-5/2x-9
B. y=-2/5x+8
C. y=5/2x+1
D. y=2/5x-3

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∣∣

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. the heights of the girls in an advanced swimming course are 55, 60, 59, 52, 65, 66, 62, and 65 inches. match the measures of this data with their values.

The variable in a relation who’s value depends on the value of the independent variable is called what?