If there are 6 × 10^9 people on earth and there is enough freshwater to provide each person with 8.79 × 10^5 l, how much freshwater is on earth?

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?

The actual length of side t is 0.045cm. use the scale drawing to find the actual side length of w