Is Water is stored in response to changing demand a cause or effect

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =

Im so bad at fractions they are not my best math thing to work on