The perimeter of a rectangular tray is 60 inches. The length of the tray is double the width of the tray. Determine the dimensions of the rectangular tray.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

The slope of cd is which segments are perpendicular to cd ? select each correct answer. gf , where g is at (6, 5)and fis at (10, 2) ef, where e is at (4, 1) and f is at (7,5) lm , where lis at (-2, 3) and m is at (-10, 9) jk , where jis at (1, -2) and k is at (10, – 14) next

Ethan purchased a container of sports drink that contains 300 calories. the label says that 80% of the calories are from carbohydrates. how many calories are from carbohydrates?