Quick Physics question

http://tinypic.com/r/xvafd/7

Question is asking if Vx = 5.3 units and Vy=-8.9 units, determine the magnitude of V>

Second question is asking the direction of V>
Thanks big help

V = sq. root ( Vx^2 + Vy^2) = 10.4 units
ttheta = inv. tan (Vy / Vx) = 59 deg.