Which is correct simplified version of the expression shown below after combining like terms? 12 + 3.4x - 5.4x - x A. -3x + 12
B. 9x
C. 9.8x +12
D. -2x + 12

12 + 3.4x - 5.4x - x

12+3.4x-6.4x

12-3x

this is the answer of your question

Step-by-step explanation:

the answer is b 1/10

the distance from any point on the parabola to the focus is the exact same as the distance from that point to the directrix.

if you could provide answer choices that might allow me to answer the question easier if my above answer isn't an option! (: