Dexter has to make the scales read between 250g and 300g. he only 10g,25g and 50g weights. he has to use at least one of each weight. for every three 10g weights on the scales, Dexter uses one 25g weight. what combinations could he use?

Can someone me and plz do the problem

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

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?