Solve the problem.A bathroom scale is compressed  in. when a 180 lb person stands on it. Assuming that the scale behaves like a spring that obeys Hooke's law, how much does someone who compresses the scale  in. weigh?

A. 45 lb
B. 135 lb
C. 90 lb
D. 360 lb


Answer: C

Mathematics

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Find the sum of the series.

A.
B.
C. - 
D. - 

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Use the bar graph to answer the question.The bar graph below shows the number of students by major in the College of Arts and Sciences.Which major has about 300 students?

A. English B. History C. Math D. Other

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Write the expression as a logarithm of a single expression. Assume that variables represent positive numbers.(log4 (r - 6) - log4 r)

A. log4 
B. log4 
C. log4 
D. log4 

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Solve. Round to two decimal places unless otherwise noted.In the following formula, y is the minimum number of hours of studying required to attain a test score of x:  How many hours of study are needed to score 89?

A. 27.10 hr B. 2.71 hr C. 101.10 hr D. 7.15 hr

Mathematics