Answer:
the third option
Step-by-step explanation:
Our equation is

Equation of a vertical parabola is

where (h,k) is the center
The focus is
(h+p, k)
Equation of directrix is
x= h-p,
Here the center is (10,0)
Next, we factor out 4 in the original equation

So we have

So our p=9,
So our focus is
(10+9,0) or (19,0)
The third option is the answer
Answer:
56
or
369
or
258
Step-by-step explanation:
Step-by-step explanation:
Answer: 3x-7
Explanation: x times 3
(3x)
subtracted by 7
(3x-7)
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