An airplane has an airspeed of 430 mph at 135º. The wind velocity is 35 miles per hour in the direction N30°E. What are the resultant speed and direction of the airplane? Magnitude Direction​

If the value of cos330°is√3/2 then find cos 165°.

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places