What should be the first step in finding the number of square inches in the shaded region of the following figure?
subtract the area of the triangle from the area of the rectangle.
subtract the area of the rectangle from the area of the triangle.
convert measurements to common units.
find the area of the rectangle.

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music. they were asked how they like three types of music: rock, country western and jazz. the results are summarized below: no one dislikes all three types of music. six like all three types of music. eleven don’t like country western. sixteen like jazz. three like country western and jazz, but not rock. six don’t like rock. eight like rock and country western. seven don’t like jazz. how many students were surveyed?