Simplify and reduce to lowest terms.
- 
A. 0
B. 5y
C. 
D. 
Answer: B
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First, create a scatter plot for the data in the table. Then, use the shape of the scatter plot given to determine if the data are best modeled by a linear function, an exponential function, a logarithmic function, or a quadratic function.
A. 
exponential function
B. 
quadratic function
C. 
linear function
D. 
logarithmic function
Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given angle. Give exact answers with rational denominators.Find sin B when b = 9 and c = 10.
A. 
B. 
C. 
D. 
Provide an appropriate response.When the numerator is the same as the denominator, for example 
, the fraction is called a(n) 
fraction.
A. whole B. proper C. uncommon D. improper
Identify the conic section that the polar equation represents. Describe the location of a directrix from the focus located at the pole.r = 
A. hyperbola; The directrix is 2 unit(s) to the right of the pole at x = 2. B. hyperbola; The directrix is 2 unit(s) above the pole at y = 2. C. parabola; The directrix is 2 unit(s) above the pole at y = 2. D. parabola; The directrix is 2 unit(s) to the right of the pole at x = 2.