A six grade student brought three cans of tennis balls for four dollars each sales tax for all three cans was $.95 write an expression to show the total amount the student paid

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Acircle has a circumference of 28.36 units what is the diameter of the circle

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.