Answer sometimes, always, or never
1) if 2 lines are not coplanar, then they intersect.
2) if 3 lines intersect at a point, then they are coplanar.
3) if 2 lines are parallel, then they are coplanar.

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6

c > -10.55

step-by-step explanation:

jwjeh; hw; kjhekjhkjhwkejhkw

step-by-step explanation:

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)