Answers edited by Prof_S

• Back to user's profile
• Suppose 4 dice are rolled, what is the probability that 1 number appears at least twice?
  
• What is the distance between #(2, 8)# and #(5, 12)#?
  
• What is the slope of any line perpendicular to the line passing through #(2,7)# and #(5,2)#?