Please hurry and answer!! if you can see the last one it says

A 6-lb. Roast beef takes 2 hours to cook. How many more minutes are needed to cook an 8-lb roast beef?

cells do need food. in a process known as cellular respiration, cells convert biochemical energy (oxygen as food) from nutrients into adenosine triphosphate (atp), and then release waste products.

hope this .. : d

i think ur answer is   (3,-1)

i think that you should ask google for the answer to that problem because if we don't know it google does