Solve the problem. Round your answer to two decimal places.Hooke's Law for an elastic spring states that the distance a spring stretches variesdirectly as the force applied. If a force of 15 pounds stretches a certain spring 
then how much will a force of 
stretch the spring?
A. 3 in.
B. 18 in.
C. 5 in.
D. 135 in.
Answer: B
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Convert to base ten.42five
A. 47 B. 42 C. 27 D. 22
Solve the problem.An artifact is discovered at a certain site. If it has 78% of the carbon-14 it originally contained, what is the approximate age of the artifact to the nearest year? Carbon-14 decays at the rate of 0.0125% annually. Round to the nearest year, if necessary.
A. 863 years B. 1760 years C. 6240 years D. 1988 years
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Solve the problem.Ellen wishes to mix candy worth $1.16 per pound with candy worth $3.25 per pound to form 33 pounds of a mixture worth $1.98 per pound. How many pounds of the more expensive candy should she use?
A. 22 pounds B. 13 pounds C. 18 pounds D. 20 pounds