For which of the following data sets is the mean equal to the mediana.1,4,6,7b.2,5,6,9c.1,5,9,10

The area of a rectangle is 54x^9y^8 square yards. if the length of the rectangle is 6x^3y^4 yards, which expression represents the width of the rectangle in yards

If a is a nonzero real number then the reciprocal of a is

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?