PLEASE HELP AN IDIOT OUT T-T Which of the following would eliminate the variable on the left side of the given equation?

36 - 19w = -6w + 41
A. add -36
B. add 6w
C. add -19w
D. add 19w

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms