Mis between l and c. lm = 11, mc = 2x + 5, and lc = 6x – 6. what is mc?

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∣∣

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Which of the following expressions is equal to 2x^2+8