Can some help me with this math its a quiz and its due tomorrow so someone please answer

Write 17/20 as a decimal and as a percent.

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

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.