If 640 acres is a square mile, and a mile is 1600 meters, how many square meters is an acre?

Which of the following is the true for f(x) = 5cos

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"