How much of 90% ethanol must be mixed with 10% ethanol to make 1 pint of a 40% ethanol solution?

40 points and think about the following questions and then write several paragraphs in response: when did the fight occur, and what was it about? who was at fault—you, the other person, or both of you? why do you think it ended poorly? in general, what would you have done differently? what could you have said differently that would have let the other person know you were listening? if you could take back something you said during the fight, what would it be? what do you wish you would have said during that fight? did the fight result in your not being friends or not getting along with that person anymore? would you want repair your relationship with this person again? if so, what are some possible ways to fix the damage?

Based on the chart, what are the three most effective methods to protect against pregnancy?

First to answer will be the brainliest i need the answer asap