In rectangle ABCD, X and Y are midpoints of AB and AD respectively. If a = AX and b = AY , then DB is equal to: O al 2a + 2b 2b - 2a O c) 2a - 2b O d) _2a - 2bA car drives 30 km northeast, then 10 km south. Its displacement from its original position is O a) 37.8 km O b) 24.0 km O c) 33.2 km O d) 28.6 kmIzehinosen lyamabo: Attempt 1 Time Left:1:10:05 As a single vector, DA + FG is: O a ) BC O b/ CB O c ) BE Od) EB