Vectors.I have found the a part a) i) Vector OC = 4a
ii) Vector AB = 4b - 6a
Pls find the b part.i need the working..

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Which graph represents the equation y =4x

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great