Find the center and radius of the circle.x2 + y2 - 4x - 18y = -36
A. (9, 2), r = 7
B. (-9, -2), r = 49
C. (2, 9), r = 7
D. (-2, -9), r = 49
Answer: C
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Match the equation with the surface it defines.- 
+ 
+ 
= 1 
A. Figure 1 B. Figure 2 C. Figure 3 D. Figure 4
Provide an appropriate response.The property tax rate that is paid for owning property may be expressed:
A. all of these are appropriate expressions of the property tax rate B. as a percent of the assessed value C. as an amount of tax per $1,000 of assessed value D. in mills
Write the expression as a logarithm of a single expression. Assume that variables represent positive numbers.4 logbm - logbn
A. logb
B. logb(m4 - n)
C. logb
D. logbm4 ÷ logbn
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.F(x) = 8x5 - 5x4 + 4x3 - 9
A. 0, 2, or 4 positive; 0 negative B. 1 positive; 1 or 3 negative C. 1 or 3 positive; 1 or 3 negative D. 1 or 3 positive; 0 negative