Answer:
Let x be the number of 3- point questions and y be the number of 5-points questions.
Step-by-step explanation:
Answer:
a=b+c
Step-by-step explanation:
Dunno if that's what you're looking for, but that's what I got from what you gave
4 °C
i just googled it XD. source: https://www.google.com/search?q=the+density+of+water+is+maximum+at+which+temperature&oq=the+density+of+water+is+maximum+at+which+temperature&aqs=chrome..69i57.699j0j4&client=ms-android-samsung&sourceid=chrome-mobile&ie=UTF-8