Solve the problem.Suppose that y = 
can be used to calculate the number of years y for x percent of a population of 
sparrows to die. Approximate the percentage (to the nearest whole per cent) of 
sparrows that died after 3 years.
A. 83%
B. 89%
C. 87%
D. 85%
Answer: C
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The following question refers to a country with five states. There are 240 seats in the legislature, and the populations of the states are given in the table below.
Using a divisor of D = 40,300, the modified quotas (to 3 decimal places) are
A. State A: 10.648; State B: 18.803; State C: 109.451; State D: 96.584; State E: 3.915. B. State A: 10.799; State B: 19.069; State C: 111.002; State D: 97.951; State E: 3.971. C. State A: 10.596; State B: 18.710; State C: 108.908; State D: 96.104; State E: 3.896. D. State A: 10.675; State B: 18.850; State C: 109.725; State D: 96.825; State E: 3.925. E. none of these
Perform the indicated operation. Write the answer in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Factor completely. If the polynomial is prime, state this.5x3 + 10x2y - 75xy2
A. (5x2 + 15xy)(x - 5y) B. 5x(x - 3y)(x + 5y) C. Prime D. 5x(x + 3y)(x - 5y)
Find the partial derivative.Find fx(4, -4) when f(x,y) = 7x2 - 9xy.
A. -20 B. 20 C. 92 D. -32