Solve the problem.In a certain animal species, the probability that a female will have 0, 1, 2, 3, or 4 offspring in a given year is .31, .21, .19, .17, and .12 respectively. Find the expected number of offspring.
A. 1.75
B. 2
C. 1.58
D. 1.38
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Complete the identity.tan (? - ?) = ?
A. tan ? B. -cot ? C. -tan ? D. cot ?
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Graph the two functions on one coordinate plane.f(x) = x2h(x) = (x + 2)2.
A. 
B. 
C. 
D. 
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Solve the problem.
Number of Years of UseFind the rate of change. Use appropriate units.
A. -$4000 per year B. -$3000 per year C. $4000 per year D. $3000 per year
Mathematics