Answer:
2.22 hours
Explanation:
If Sally can paint the office by herself in 5 hours, we can say that in one hour she paints 1/5 of the office.
On the other hand, Lucy paints the office in 4 hours, which means that, in 1 hour she paints 1/4 of the office.
Therefore, to know how much they would paint per hour working together, we are going to sum up the fractions they paint per hour:

Therefore, working together they will paint
of the office in one hour.
Now we can establish a rule of three: if they paint 0.45 of the office in 1 hour, how long (x) will it take them to paint 1.0 of the office?

And therefore 
Therefore, it will take them 2.22 hours to paint the office working together.
Answer:
A symbiotic relationship among Congressional committees, executive agencies, and interest groups.
Explanation:
Iron triangle is a United States political term used to describe the relationship between congressional committees, bureaucracy, and interest groups when a decision needs to be made between the three.
In the iron triangle, Congress, bureaucracy and interest groups establish a partnership relationship, where each seeks to protect and benefit each other, and to assist each other in their policies and objectives. For this reason, the correct answer to your question is: "a symbiotic relationship among Congressional committees, executive agencies, and interest groups."
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<span>A recent trend has intergovernmental relations has been to pass down, mainly, the division of clear lines of responsibilities of each country. It has opened up to many different dimension that might concern each of them. A divided model of federalism in which the government would be in charge of making the laws and their implementation.</span></span>
I think the correct answer from the choices listed above is option 3. The sentence that is the most paradoxical is that "He was old enough to understand the innocence of children." A paradoxical sentence is a sentence that contains self-contradictory words. In this case, the rods old enough and innocence seems to contradict each other.