How many real roots do the following relations have? (4 marks) (i.) y = –2x²– 3x + 1
(ii.) y = 5x² – 3x + 4

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?