Answer:
128
Step-by-step explanation:
X is a corresponding parallel angle, the angle opposite it which is 128 would be the same because they are parallel angles.
I believe the formula is lxwxh if so it's 20 x 30 x 4= 2400 i hope this helped
Answer:
8n^2+7n^3
Step-by-step explanation:
8n^2+4n^4+7n^3-4n^4
=8n^2+7n^3
Answer: 1/2x6=3 not 1/2x5 which equals 2 1/2.