The life expectancy of white females can be estimated by using the function 
, where x is the current age. Find the life expectancy of a white female who is currently 37 years old. Round to one decimal place.
?
A. 94.2 years
B. 81.5 years
C. 90.3 years
D. 84.9 years
E. 86.4 years
Answer: B
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Write the perimeter of the figure as an algebraic expression and simplify.
A. 4a + 2b B. 4a + 7b C. 3a + 7b D. 3a + 8b
Solve the problem.A 455-seat theater will sell tickets at $20 and $12 for a particular concert. Let x and y represent the number of tickets that will sell for $20 and $12, respectively. Assume that the show will sell out. How many of each ticket must be sold for the revenue to be $6532?
A. 231 tickets at $20 224 tickets at $12 B. 224 tickets at $20 231 tickets at $12 C. 134 tickets at $20 321 tickets at $12 D. 321 tickets at $20 134 tickets at $12
Solve the equation for the indicated variable.5 - (n + 
x) = 5n for n
A. -40 n + 50
B. 
C. 
D. 
Solve.A particle is observed moving at 9.79 × 10-5 meters per second. Find the distance the particle would travel in 1.84 × 10-6 seconds.
A. 1.80 × 10-10 meters B. 0.18 × 10-10 meters C. 1.80 × 10-11 meters D. 1.80 × 10-9 meters