Solve the problem.The matrix 
represents one week's usage of wood (in board-feet) at two locations of a company that manufactures chairs. Due to differences in transportation costs, the first location pays $0.89 per board-foot and the second location pays $0.94 per board-foot.(a) Find a 1 by 2 matrix representing the cost of the wood.(b) Multiply the given matrix and the matrix found in part a to determine the total cost of wood for that week.
What will be an ideal response?
(a)  | (b) $1229.48 |
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Solve.Yvette has up to $6000 to invest and has chosen to put her money into telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 5 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let x represent the amount (in dollars) invested in telecommunications and y represent the amount (in dollars) invested in pharmaceuticals.
A. x + y = 6000, x ? 5y, x ? 0, y ? 0 B. x + y ? 6000, x ? 5y, x ? 0, y ? 0 C. x + y = 6000, y ? 5x, x ? 0, y ? 0 D. x + y ? 6000, 5x ? y, x ? 0, y ? 0
The Ehrenberg equation 
gives the relationship between the height (in meters) and the average weight W (in kilograms) for children between 5 and 13 years of age.
?
What is the average weight of a 10-year-old child who stands at 1.4 m tall? Round the answer to the nearest tenth. Use differentials to estimate the change in the average weight of a 10-year-old child whose height increases from 1.4 m to 1.45 m.
?
A. 44.8 kg, 3.2 kg B. 83.9 kg, 2.9 kg C. 58.0 kg, 1.6 kg D. 31.5 kg, 1.6 kg E. 31.5 kg, 2.9 kg
Use the choices below to fill in the blank. Choices may be used more than once or not at all.
Permutations can also be counted using 
.
A. the Fundamental Counting Principle
B. probability
C. 
D. 
The given pattern continues. Write down the nth term of the sequence suggested by the pattern.6, 14, 22, 30, 38, ...
A. an = 2n - 8 B. an = 8n - 1 C. an = 6(8)n-1 D. an = 2(4n - 1)