Help ASAP ! I’ll give more points if u know all

18.  4*10+3*10+5*4=90

19. 5*5*1/2=12.5 * 4= 50

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

x-150=475   x=625

step-by-step explanation:

if the bike after the sale ($150) is $475 then just simply add 150 to 475.