closing probability" when driving is: a. The chance that another vehicle will be in the same place you plan to be at the same time. b. The chance that a vehicle and another object will move closer together as they move along projected paths of travel. "

The answer is "Option b".

Step-by-step explanation:

The probability of the vehicle and also another entity getting shifted more carefully together because they keep moving across a planned site. so, if going to drive is a "closing possibility." In Just 0.99 USD per month, in which users can raise your chance by either a vehicle in front of you suddenly stop and fall on your street, that's why we can say, that choice b is correct.

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1