What is the value of the expression below when z=10 3z-3

Achel bought 12 rolls of packing tape and paid a total of $33.60. kevin also bought rolls of packing tape. the table shows the total amount he is paid for different numbers of packing tape. number of rolls of packing tape total amount paid 2 $6.40 5 $16.00 8 $25.60 how do the unit rates compare? select from the drop-down menus to correctly complete the statement. rachel's unit rate is than kevin's because is greater than .

Need this asap if anyone can i would be very grateful. if you could show workings that would really

What expression is equivalent to (2x-1)(x-3)?