Answer:
Step-by-step explanation:
im not sure if it is right,but here is my thought since its gonna be half first you do the 4x2x2=16 divide 16 by 2 witch will give you have of 16 witch will also give you 8
yes
This is the answer: choose
A
D
E
1. x= - 20/13
2. 7x-21