Which relation is a function?

{ (1,2), (2, 1), (1, 3), (3,1) }

{ (1,2), (3, 4), (5, 6), (1,8) }

{ (0,2), (0, 4), (0, 6), (0,8) }

{ (1,2), (2, 3), (3, 4), (4,5) }

What is the scale factor from 5cm to 15m

A boat travels a distance of 25 km in 30 minutes. What is the average speed of the boat? (Hint: Remember 30 minutes is. 5 of an hour)

What is the area of the parallelogram shown?

If their were thirty cows and twenty ate chickens how many didn't?

Jack has 55 she earns 67 by doing chores how much money does jack have now

The ratio of boys to girls in Janice's classroom is 3:5, and there are a total of 32 students in the class. Using complete sentences, explain how you could draw a tape diagram to represent this situation.

Describe the difference between sociology and psychology

87000 rounded to the nearest ten thousand is

If s = - 5 and t = 3 find the value of s2 t

On Monday Leah drove x miles on her road trip to visit her parents. On Tuesday she drove twice the number of miles she drove on Monday. If Leah drove a total of 360 miles on her two-day trip, how many miles did she drive on Monday?