The following stem-and-leaf plot gives the heights of the 20 highest mountains in two continents. Use the plots to answer the question. 
For which of the two continents is there a smaller range of heights in its 20 highest mountains?
A. Continent Y
B. Continent X
Answer: A
Mathematics
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Provide an appropriate response. Find the product: (5x + 6)(5x - 6)
A. 25x2 - 36 B. 5x2 -- 36 C. 25x2 - 60x + 36 D. 10x2 - 12
Mathematics
A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. Find the approximate number of bulbs that can be expected to last the specified period of time.Between 290 hours and 500 hours
A. 2913 B. 2410 C. 2413 D. 2911
Mathematics
Solve the problem.Find a polynomial for the sum of the shaded areas of the figure.
A. 26y2 B. 26 C. y2 + 25 D. y2 + 10y + 25
Mathematics
Decide whether the relation is a function.{(-5, 1), (-2, -5), (4, 8), (8, 8)}
A. Not a function B. Function
Mathematics