Answer:
it's just 8/20 so shade 8/20 of the circle
540ml with 12% solution
get 12% of 540
540 times 0.12 = 64.8 ml of pure acid
Answer in the attachment :))
brainliest or a thank you pls :)
Answer:
cộng vế theo vế ta đc :
-2x=-4<=>x=2
thay x=2 vào 1 trong 2 ptrình ta đc: y=-5
E = mc^2....divide both sides by c^2
E / c^2 = m
