The table shows the scores of a biology test in Mrs. Smiths class . Find the mean of the data without Kim’s score. A- 80
B- 87.2
C- 90
D- 84.5

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm