Please answer these, it is urgent

Which expression is equivalent to 5r6141 2r+st6

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

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.