Answer:
f(2)=9
Step-by-step explanation:
Jake wants to post a 600 gram parcel and an 800 gram parcel.
He posts them Second Class.
He pays with a £10 note.
How much change should he get?
Answer:

Step-by-step explanation:
As you're used to do in the real plane, midpoint is the average of Real and Imaginary part. So 
Answer:
0
Step-by-step explanation:
4x^2 = 8x
1.8x-8x=8
2.0x=8
3.x=8÷0
4.x=0