_6) Which of the following statements is always true? a. The graph of a quadratic function is a straight line b. The range of a quadratic function is the set of all real numbers C. The vertex of a parabola occurs at the minimum/maximum d. The domain of a quadratic function is only positive​

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

all group life insurance is term insurance. actually it is annual renewable term and it is rated on the average age and claims experience of the entire group, which is called "experience rating." remember, this type of insurance has a 31-day grace period and is convertible to whole life upon leaving employment. a contributory group plan requires that both the employer and the employees pay part of the premium. at least 75% of those eligible must participate, so the group is sure to get most of the healthy employees as well as those that are sick.

step-by-step explanation:

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation:

x = -5

step-by-step explanation: