Use the discriminant to determine if the given equation can be solved by factoring. If it can be solved by factoring, find the factors.7k2 = -7k - 2
A. Cannot be solved by factoring
B. (k + 2)(k - 7)
C. (k + 1)(k - 3)
D. (k - 1.4)2
Answer: A
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Provide an appropriate response.The area of the surface formed by revolving the graph of 
from 
to 
about the line 
is 
The area of the surface formed by revolving the graph of r = f(?) from ? = ? to ? = ? about the
line 
is 
Use the idea underlying these two integral formulas to find the surface area of the torus formed by revolving the circle r = a about the line 
where 
What will be an ideal response?
Write the whole number in standard form.Ninety-two thousand, five hundred two
A. 92,502 B. 92,520 C. 920,502 D. 9252
Provide an appropriate response.Subtract: 9
- 3
A. 5
B. 6
C. 5
D. 5
E. none of the above
Assume the distribution is normal. Use the area of the normal curve to answer the question. Round to the nearest whole percent.At a local market, the average weekly grocery bill is $57.85 with a standard deviation of $14.25. What is the lowest amount spent by the upper 25% of market customers?
A. $9.55 B. $67.82 C. $67.40 D. $67.54