The slope of the line below is -3. Use the coordinates of the labeled point to find a point-slope equation of the line. (5,-7) MU A. y + 7 = 3(x - 5) B. y - 7 = -3(x+ 5)
C. y - 7 = 3(x+5)
D. y + 7 = -3(x - 5)​

Ihonestly have no clue if it's each or none.

42. if 20 men can eat 200 kg of wheat in 40 days, then 10 men can eat 300 kg of wheat in how many days? a) 120 days b) 60 days c) 80 days d) none of these

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet