Multiply.
? 
A. -14
B. -196
C. 14
D. -7
Answer: A
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Solve the equation.
+ 3 = 10
A. 10 B. 41 C. 21 D. 39
Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 - 4x + 4y - 1 = 0
A. a. center = (-2, -2); radius = 3
b. (2 + 
, 0), (0, -2 + 
)
B. a. center = (-2, 2); radius = 9
b. (2 + 
, 0), (0, -2 + 
)
C. a. center = (2, -2); radius = 3
b. (-2 + 
, 0), (-2 - 
, 0), (0, 2 + 
), (0, 2 - 
)
D. a. center = (2, -2); radius = 3
b. (2 + 
, 0), (2 - 
, 0), (0, -2 + 
), (0, -2 - 
)
Solve the problem.The table shows the number of deaths due to car accidents in a certain city in various years. 
Let n = f(t) be the number of deaths due to car accidents at t years since 2012. Suppose that you wish to model f using a quadratic equation. What is the vertex of the model? What does it mean in this situation?
A. (3, 270); the largest number of deaths due to car accidents was 270 in 2015 B. (5, 219); the smallest number of deaths due to car accidents was 219 in 2017 C. (0, 202); the smallest number of deaths due to car accidents was 202 in 2012 D. (2, 261); the largest number of deaths due to car accidents was 261 in 2014
Provide an appropriate response.A study comparing the sizes of two populations, x and y, shows that they can be related by the equation 
where k and C are constants. Solve the equation for y when 
and 
A. y = 15x-3 + 1 B. y = 15x3 - 1 C. y = 15e3x - 1 D. y = e3x + 15 - 1