For the winter, a duck flies 10.0 m/s due south against a gust of wind with a speed of 2.5 m/s. what is the resultant velocity of the duck?
a. 12.5 m/s south
c. 7.5 m/s south
b. 12.5 m/s south
d. 7.5 m/s south

Free points also plz look my profile and answer really stuff

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

Which of the following statements must be true about this diagram? check all that apply. x°, y°, z°, & w°