Answer:
Step-by-step explanation

⇒ 80 + ( 2 * 0.01 ) + ( 9 * 0.001 )
⇒ 80 + 0.02 + 0.009
= 80.029
Angle F should be 46 degrees
Answer:
1. 3x7
2. 4A
3. 2M
4. 4X
5. 7D (left) 7x4 (right)
6. 2Y (left) 3Y (right)
Step-by-step explanation:
very simple for me, just take the variable or number on the left or right and multiply by the number on the top or bottom. And for problems with 2 variables do 2X or 2Y whatever the variable may be. Hope this helped
Answer:
Step-by-step explanation:

Because
can further be factorised as (x - 2) (x + 2).