An airplane is flying at a heading S 75º W at a speed of 230 miles per hour relative to the air. The wind is blowing N 70° W with a speed of 35 miles per
hour. What is the plane's actual velocity; that is, what is its speed and direction
relative to the ground?

Which is f(5) for the function –2x2 + 2x - 3?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22