Find the focus and the directrix of the parabola.(x + 3)2 = -24(y - 3)
A. Focus: (-3, -3); directrix: y = 9
B. Focus: (-9, -3); directrix: y = 9
C. Focus: (-3, 9); directrix: y = -3
D. Focus: (-3, -3); directrix: x = 9
Answer: A
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a. $960 b. $1,480 c. $1,200 d. $384
Does the problem involve permutations or combinations? Do not solve.In a student government election, 5 seniors, 3 juniors, and 
sophomores are running for election. Students elect four at-large senators. In how many ways can this be done?
A. permutations B. combinations
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x - 12)2
A. 144x2 - 24x + 144 B. x2 + 144 C. x + 144 D. x2 - 24x + 144
Write the equation of a function that has the given characteristics.The graph of y = 
, shifted 7 units to the right
A. y = 
+ 7
B. y = 
C. y = 
- 7
D. y = 