There are three adverbs: quietly, heavily, surprise.
1. The answer is b.) whom.
2. The answer is b.) sudden.
Okay. So, because the exponent is an odd number, the answer will be negative and "x" will be a negative number. If you know about cubic units, you can see that -6³ is equivalent to -216. -6 * -6 * -6 is -216. x = -6.
Your answer is A. Present perfect
1. BENEFICIAL : producing a favorable result.
2. DERMATOLOGICAL : having to do branch of medicine concerned with the skin.
3. OSTEOARTHRITIC : having a degenerative bone disease.
4. PATHOLOGICAL : relating to or caused by disease.
5. CREDENTIAL : that which entitles one to confidence, credit, or authority.
6. POLYTHEISTIC : pertaining to the belief in more than one God.