An airplane is flying at a height of 7 miles above the ground. The distance from the airplane to the airport is 165 miles. What is the approximate angle of depression from the airplane to the airport?

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

What are different types of statistical programs