Which of the following is NOT equivalent to 2x + x - y + 3 + 5? A) x + x + x - y + 8
B) 3x - y + 8
C) 2x 2 - y + 5 + 3
D) x + 2x - y + 5 + 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∣∣

If square root x = -7, then x= -49 true or false

Find solution of the linear equation y = 2/3x + 1/3