On a bookcase, there are 7 fictions books for every 4 nonfiction books. There are 33 books in the bookcase. How many fiction books are in the bookcase.

Dropping less than two inches per mile after emerging from the mountains, a river drains into the ocean. one day's discharge at its mouth, 5.6 trillion gallons, could supply all of country a's households for seven months. based on this statement, determine how much water an average household uses each month. assume that there are 100 million households in country a. country a uses approximately nothing gallons per household per month.

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?