Find sec ? if 
and ? terminates in QIII.
What will be an ideal response?
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Specify the center and radius of the circle.5x2 + 5y2 - 40x + 50y + 160 = 0
A. center: (-5, 4); radius: 3 B. center: (-4, 5); radius: 9 C. center: (5, -4); radius: 9 D. center: (4, -5); radius: 3
For the scatterplot below, determine which, if any, of the following functions might be used as a model for the data. Quadratic: f(x) = ax2 + bx + c Polynomial, not quadratic Exponential, f(x) = aekx, k > 0 Exponential, f(x) = ae-kx, k > 0 Logarithmic, f(x) = a + b ln x Logistic, f(x) = 
Year
A. Exponential, f(x) = aekx, k > 0
B. Logistic, f(x) = 
C. Exponential, f(x) = ae-kx, k > 0
D. Logarithmic, f(x) = a + b ln x
Simplify.The volume of a spherical shell with outer radius R and inner radius r is 
Write this formula without parentheses and without multiplication signs.
A. V = 
- r3
B. V = 
C. V = 
D. V = 4?R3 - 4?r3
Multiply.8245
A. 727.21 B. 742.05 C. 74,205 D. 7420.5