Sarah bought some t-shirts and a pair of shorts for $66.30. the pair of shorts costs $15.90 and each t-shirt costs $5.60. how many t-shirts did she buy

Acircle has a circumference of 28.36 units what is the diameter of the circle

Can someone explain to me how to do

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?