The managers of two neighborhood grocery stores want to find out if their customers are happy with store service. One manager collects surveys from 50 randomly selected customers. The other manager collects surveys from 125 randomly selected customers. Which data set is likely to be more trustworthy, and why?

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