Sarah has 2 spherical balls with radii of 6 mm. One ball is pure gold and the other is pure silver. If the density of gold is 19.3 g/cm3 and the density of silver is 10.5 g/cm3, about how much greater is the gold ball’s mass than the silver ball’s mass?

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?