To convert 221 seconds to minutes which ratio would you multiply by
a. 60minutes/1second
b. 1second/60minutes
c. 1minute/60seconds
d. 60seconds/1minute

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

1.8 or

sorry, i don't know i just need points, i'm new here. chao

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)