Solve the problem. Round your answer to two decimal places.The weight W of an object on the Moon varies directly as the weight E on earth. A person who weighs 136 lb on earth weighs 27.2 lb on the Moon. How much would a 124-lb person weigh on the Moon?
A. .2 lb
B. 24.8 lb
C. 620 lb
D. 287.2 lb
Answer: B
Mathematics
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Decide whether the statement is true or false.3 is a solution of -6x - 6x = 4.
A. True B. False
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Use the product rule to multiply. Assume all variables represent positive real numbers.
? 
A. 7x2y2
B. 7x2y2
C. 49x2y2
D. 7x3y3
Mathematics
Add by using the number line.
+ 3
A. 3
B. 0
C. 6
D. 
Mathematics
Find the equation of the least squares line.Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below. 
A. y = 0.930 - 19.4x B. y = -19.4 - 0.930x C. y = 19.4 + 0.930x D. y = -0.930 + 19.4x
Mathematics