Lucy can choose one sandwich ham or turkey, once side apple or grapes, one drink milk or water. Lucy has equally likely chance of choosing any combination. What is the probability that Lucy picks a ham sandwich and grapes? 1/4
or
1/6

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

At the county fair, animals are judged for the quality of their breeding and health. the animal pens are arranged in an array, with one animal in each pen. a barn can hold at most 10 rows of pens and at most 6 pens in each row, with room for people to walk around them. what different ways can the planners of the county fair arrange the pens for the horses and cows in the same barn?

The formula for the area of a regular polygon is a=1/2ap . what is the equation solved for a?