Answer:
The time it will take to roof the house if the homeowner helps the roofer is 2.25 days.
Explanation:
The time it takes the homeowner to roof his house is, <em>X</em> = 9 days.
The time it takes the professional roofer to roof the house is, <em>Y</em> = 3 days.
Then if the the homeowner helps the roofer, the time it will take to roof the house is, <em>X</em> + <em>Y</em>.
The work done by the homeowner in 1 day is,
.
The work done by the professional roofer in 1 day is, 
The work done in 1 day if both the homeowner and the professional roofer work together is,
⇒ 
Then the number of days it takes to roof the house if both the homeowner and the professional roofer work together, i.e. <em>X</em> + <em>Y</em> is,
⇒ 
Thus, the time it will take to roof the house if the homeowner helps the roofer is 2.25 days.
I think it would be conditioned stimulus but I'm probably wrong.
Some Similarities between Islam and Christianity are that both are monotheistic religions: that is they believe that there is only only good (unlike Hinduism and ancient Greek religion)
Further, they both believe that the God spoke to Abraham- that's why they're both called Abrahamic religions.
They both believe in some people to whom the God spoke, including Jesus (but for Islam Jesus is only a prophet, not a God)
In Miranda v. Arizona (1966), Ernesto Miranda say his Fifth Amendment rights had been violated because he <span>had confessed to crimes without being reminded of his right to avoid self-incrimination. Thank you for posting your question here. I hope it helps. </span>
Your answer is definitely C.
Urban means in the city, which the answer C. is what you would find in a city, right?
Hope I helped you!
~Vinny