Find the vertex for the parabola whose equation is given.y = -(x - 1)2 + 9
A. (- 1, - 9)
B. (1, 9)
C. (- 1, 9)
D. (9, - 1)
Answer: B
Mathematics
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Use the empirical probability formula to solve the exercise.This spinner is spun 36 times. The spinner landed on A 3 times, on B 5 times, and on C 28 times. What is the probability that the spinner will land on B?
A. 
B. 
C. 
D. 
Mathematics
Solve the equation. Write the answer in a + bi form.x2 + 1 - 
i = 0
A. 6 - 2i, -6 - 2i
B. 
- 
, - 
+ 
C. 
+ 
i, - 
- 
i
D. 
+ 
i, - 
- 
i
Mathematics
Solve the problem.Find (f - g)(-2) when f(x) = 2x2 - 1 and g(x) = x - 3.
A. -5 B. 8 C. 12 D. 6
Mathematics
Solve.Find the measures of the complementary angles.
A. 104°, 76° B. 14°, 166° C. 14°, 76° D. 14°, 77°
Mathematics