Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.Ellen wishes to mix candy worth $1.42 per pound with candy worth $3.35 per pound to form 31 pounds of a mixture worth $2.60 per pound. How many pounds of the more expensive candy should she use? Round your answer to the nearest pound.
A. 19 lb
B. 24 lb
C. 12 lb
D. 14 lb
Answer: A
Mathematics
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Write the first four terms of {an}.an = 
A. -1, - 
, - 
, - 
B. -1, 
, - 
, 
C. 1, 
, 
, 
D. 1, - 
, 
, - 
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Graph the function. Specify the intervals over which the function is increasing and the intervals where it is decreasing.y = 6
A. Increasing -? < x < ?
B. Decreasing 0 ? x < ?
C. Decreasing 0 ? x < ?
D. Increasing 0 ? x < ?
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Solve the problem.A town has a population of 10,000 people and is increasing by 10% every year. What will the population be at the end of 4 years?
A. 14,000 B. 14,641 C. 13,310 D. 4641
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Provide an appropriate response.Fill in the blank to make the trinomial a perfect square: x2 + 5x + 
A. 0
B. - 
C. - 
D. 
Mathematics