Use cross products to determine whether the proportion is true or false.
= 
A. True
B. False
Answer: A
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The histogram shows the scores of each participant in a game from a total of 100 participants. Use the histogram to answer the question. 
The greatest number of participants is within which category?
A. 60-79 B. 60-69 C. 40-59 D. 80-99
Solve the problem.The natural resources of an island limit the growth of the population to a limiting value of 3423. The population of the island is given by the logistic equation 
where t is the number of years after 2010. What would be the predicted population of the island in 2019?
A. 2579 people B. 2714 people C. 2443 people D. 831 people
Find the real or imaginary solutions by completing the square.p2 + 3p - 9 = 0
A. 
B. 
C. 
D. {-3 ± 3
}
Solve the problem.A planet travels around the sun in an elliptical orbit given approximately by 
where r is measured in miles and the Sun is at the pole. Find the distance from the planet to the Sun at aphelion (greatest distance from the Sun.)
A. 4.46 × 107 mi B. 7.06 × 106 mi C. 3.26 × 107 mi D. 7.06 × 107 mi