Need help on number 12 and 13 please!

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Venita is sewing new curtains. the table below shows the relationship between the number of stitches in a row and the length ofthe row.sewingnumber of stitches length (cm)51 131532024306what is the relationship between the number of stitches and the length? othe number of stitches istimes the length.o. the number of stitches is 3 times the length.