Which action illustrates rational behavior

What is the answer to: 18 - 5z + 6z > 3 + 6

Which property is (4x8) x 3 = (8x4) x 3

g The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to determine whether or not the mean age of her customers is greater than 30.

Jenny, who rides a moped, takes 2 hours less to travel 60 miles than Maureen takes to travel 50 miles on her bicycle. Jenny travels 10 miles per hour faster than Maureen. (Hint: speed = distance : time.) Jenny's speed is? miles per hour.

If you was to put a $40 a month in to a savings fora year how much money would you have saved

Determine if the equation x2 - y = 1 defines y as a function of x.

What is 3 3/4 times 2 12/1

What are the next two terms of the following arithmetic sequence - 3, 1, 5, 9, ...

Using cross multiplication, which of the following is the solution to 2 / (x-7) = 3 / (x-5) ? A.-31 B. 11 C.-11 D. 31

This is a very legitimate question ... 2 + 2 = ?