Provide an appropriate response.State whether the following situation represents direct variation, inverse variation, or neither, and explain why: The cost of mailing a letter within the United States and the distance that it travels.
What will be an ideal response?
Neither; the cost of mailing a letter within the United States is not affected by the distance that it travels.
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Solve the problem.A committee is to be formed. Possible candidates for the committee are Anne, Daniel, Raul, Sarah, and Teresa. Denoting these five people by a, d, r, s, t, list all possible committees of three people (ie list all possible subsets of size three).
A. {a, d, r}, {a, d, s}, {a, d, t}, {a, r, s}, {a, r, t}, {a, s, t}, {d, r, s}, {d, r, t}, {d, s, t}, {r, s, t}, 
B. {a, d, r}, {a, d, s}, {a, d, t}, {a, r, s}, {a, r, t}, {a, s, t}, {d, r, t}, {d, s, t}, {r, s, t}
C. {a, d, r}, {a, d, s}, {a, d, t}, {a, r, s}, {d, r, s}, {d, r, t}, {d, s, t}, {r, s, t}
D. {a, d, r}, {a, d, s}, {a, d, t}, {a, r, s}, {a, r, t}, {a, s, t}, {d, r, s}, {d, r, t}, {d, s, t}, {r, s, t}
Determine whether the diagram could represent a function.
A. Yes B. No
An empty swimming pool can be filled in 12 hours. When full, the pool can be drained in 30 hours. How long will it take to fill the empty pool if the drain is left open? ? Please round the answer to the nearest hour. Enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Find out how long it takes a $3,500 investment to double if it is invested at 
compounded monthly. Round to the nearest tenth of a year. Use the formula 
.
A. 7.5 yr B. 7.9 yr C. 7.7 yr D. 8.1 yr