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 0.31, 0.21, 0.19, 0.17, and 0.12 respectively. Find the expected number of offspring.
A. 1.58
B. 1.38
C. 2
D. 1.75
Answer: A
Mathematics
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Solve the equation.-3(x - 9) - 6 = 7 - 4x
A. 28 B. - 22 C. 14 D. - 14
Mathematics
Round the number to the place indicated.Round to the nearest hundredth: 12.5657
A. 12.57 B. 12.566 C. 12.58 D. 12.565
Mathematics
Solve the problem.A paper boy collected $6.90, part in nickels and part in dimes. If the number of nickels was 13 more than one-half the number of dimes, how many nickels were there?
A. 38 nickels B. 50 nickels C. 4 nickels D. 28 nickels
Mathematics
Give the coefficient and degree of the term.-6x8y11
A. 6, 19 B. -6, 8 C. 6, 88 D. -6, 19
Mathematics