Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = 3x8 + 8x6 + 9x4 + 8x2 + 3
A. 4 positive; 4 negative
B. 4 positive; 0 negative
C. 0 positive; 4 negative
D. 0 positive; 0 negative
Answer: D
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Find the standard deviation for the given data. Round your final answer to one more decimal place than that used for the observations.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below: 
A. $197.0 B. $96.1 C. $692,956.0 D. $628,320.5
Provide an appropriate response.In oblique triangle ABC, find the indicated part. Round to the nearest 0.1°. Find C if B = 30°, b = 10 m, and c = 8 m.
Fill in the blank(s) with the appropriate word(s).
Find  FIGURE 1.png)
 Figure 2.png)
Match the equation with the surface it defines.
+ 
= 
A. Figure 2 B. Figure 4 C. Figure 1 D. Figure 3