Solve the problem, rounding the answer as appropriate. Assume that "pure dominant" describes one who has two dominant genes for a given trait; "pure recessive" describes one who has two recessive genes for a given trait; and "hybrid" describes one who has one of each.Two hybrids produce a litter of four offspring. What is the probability that exactly one is pure recessive?
A. 0.211
B. 0.133
C. 0.422
D. 0.25
Answer: C
Mathematics
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Solve the rational inequality.
< 7
A. 
B. 
? 
C. No solution
D. 
? 
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Use the summation properties to evaluate the series. The following rules may be needed: 
.
A. 88 B. 417 C. 108 D. 437
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Simplify the expression. Assume that all variables are positive when they appear.
A. 10x3y4 
B. 10y4 
C. 10x7y8 
D. 10x3y4 
Mathematics
Find all values of x (if any) where the tangent line to the graph of the function is horizontal.y = x3 - 3x2 + 1
A. 0 B. 0, 2 C. -2, 0, 2 D. 2
Mathematics