Answer: A
Explanation:
The evolution of dogs is a scientific topic that has a lot of scientific research backing it up. So, the most reliable source would be one that is revised by people well versed in this area of knowledge. An academic paper revised by peers is an official, trustworthy source.
Answer:
1-Skiing is a popular sport despite its disadvantages.
Answer:
I'm pretty sure one of them is rushed, but please correct me if I am wrong!
Explanation:
An adverb is a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group. It expresses a relation of place, time, circumstance, etc. In this case, it would be expressing a relation of time. Since you are "rushing" you are in a sense moving in time urgently.
Answer:
3x2+20x−63
Explanation:
=(3x+−7)(x+9)
=(3x)(x)+(3x)(9)+(−7)(x)+(−7)(9)
=3x2+27x−7x−63
=3x2+20x−63
