Joe is playing a game with a regular die.   if the number that turns up is     even, he will gain 5 times the number that comes up.   if it is odd, he will   lose 10 times the number that comes up.   he tosses a 3. express the     results as an integer.

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image