Write fraction in lowest terms.There are 50 participants in the dance program. What fraction of the program is 30 participants?
A. 
B. 
C. 4
D. 
Answer: B
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A certain animal population exhibits logistic population growth. The carrying capacity for this population is 500 individuals, and the r value for this type of animal is 0.07.
A. Write the equation of change for logistic growth for this population.B: Make a graph of 
versusN. Use population sizes up to 600.
C: For what values of N would the population be expected to increase?D: For what values of N would the population be expected to decrease?
What will be an ideal response?
Add.
A. 16,293,278 B. 16,303,278 C. 16,303,288 D. 16,403,278
Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 3, ? = 45°
A. v = 
i + 
j
B. v = 
i + 
j
C. v = - 
i - 
j
D. v = 
i + 
j
A bag contains 6 red balls and 6 black balls. We draw 6 balls, with each one replaced before the next is drawn. What is the probability that at least 4 black balls will be drawn? Round your answer to five decimal places. ?
A. 0.23438 B. 0.09375 C. 0.01563 D. 0.32813 E. 0.34375