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.
Answer:
Party to determine method of nominating its candidates for office; exceptions. A. The duly constituted authorities of the state political party shall have the right to determine the method by which a party nomination for a member of the United States Senate or for any statewide office shall be made.
<span>This shows that there is a statistically significant difference between the two parties on the idea. The null hypothesis would have shown that there is no difference in the two parties. Party affiliation, then, will likely be indicative of the level of a person's support for the concept of welfare reform.</span>
A natural resource is anything that people can use which comes from nature. Examples are water, oil, air, wood, wind energy, hydro-electric energy, iron, and coal.
Answer: The Bill of Rights. ... It spells out Americans' rights in relation to their government. It guarantees civil rights and liberties to the individual—like freedom of speech, press, and religion. It sets rules for due process of law and reserves all powers not delegated to the Federal Government to the people or the States.
Explanation:
