Solve the problem.The life expectancy of inhabitants of a country can be approximated by the equation y = 0.289x - 364, where x is a year between 1940 and 2006 and y is age in years. Use this mathematical model to approximate life expectancy (to the nearest tenth of a year) in 1974.
A. 534.1 yr
B. 566.8 yr
C. 206.5 yr
D. 270.5 yr
Answer: C
Mathematics
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A. (a - b)2(3a + 3) B. (a2 + b2)(3a - 3) C. (a - b)(3a2 + 3b2) D. (a + b)(a - b)(3a + 3)
Mathematics
Perform the operation and write the result in the standard form.(6 + 3i)(3 - 7i)
A. -21i2 - 33i + 18 B. 39 - 33i C. -3 + 51i D. 39 + 33i
Mathematics
Evaluate -(-x) for the given value of x.x = -0.635
A. 0.635 B. -0.635 C. 0 D. -1
Mathematics
Find a polynomial with the given zeros. 5, 1, 5
a. 
b. 
c. 
d. 
e. none of these
Mathematics