Solve the problem.Assume that a person's threshold weight W, defined as the weight above which the risk of death rises dramatically, is given by W(h) = 
3, where W is in pounds and h is the person's height in inches. Find the threshold weight for a person who is 6 ft 11 in. tall. Round your answer to the nearest pound.
A. 341.8 lb
B. 192.3 lb
C. 221.5 lb
D. 307.3 lb
Answer: D
Mathematics
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Factor out the GCF from the polynomial.18x3y + 14xy6
A. 2xy(9x2 + 7y5) B. 2x(9x2y + 7y6) C. 2y(9x3 + 7xy5) D. xy(18x2 + 14y5)
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Find another representation, (r, ?), for the point under the given conditions.
, r > 0 and 2? < ? < 4?
A. 
B. 
C. 
D. 
Mathematics
Write the number in scientific notation.15,700,000
A. 1.57 × 10-3 B. 4.710 × 107 C. 1.00157 × 105 D. 1.57 × 107
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Solve the inequality and graph the solution set.
> 9
A. 
B. 
C. 
D. 
Mathematics