Answer:
12
Step-by-step explanation:
2x-4
Subsitute x for 8 2(8)-4
Simply 16-4
12
M.N and O are 60 degree. And you have to know that 30 60 and 90 triangle. if 30 degrees opposite is measuring A , 60 is A square root 3 and the 90's opposite is being 2A. So 90 degree opposite is 16 square root 3 and 30 degree is being 8 square root 3 and 60 is

the height is 24 .
Answer:
2,400cm²
Step-by-step explanation:
FORMULA FOR VOLUME OF A CUBOID = L×B× H
WHERE L is LENGTH =20cm
B=15cm
H= 8cm
:• VOLUME=20cm ×15cm ×8cm
=2,400cm²