The ratio of the measures of the sides of a triangle is 4: 7: 5. if the perimeter of the triangle is 128 yards, find the length of the longest side.

If 25% of y is 30, what is 60% of y?

How can you tell when x and y are not directly proportional?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28