A boat travels 300 meters north from dock in an ocean. Because of the current, the boat is also carried 50 meters west as shown. What is the distance from the boat to the dock, rounded to the nearest meter?

The circumference of a circle is 5 pi cm. what is the area of the circle?

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is