HELP ASAP

You observe that the line shown below passes through the point (0,4) and has a slope of 1/2. You choose (x, y) as an arbitrary point on the line other than (0,4) and use the fact that the slope of a line is constant to write which equation?

Which choice represents the sample space ,s for this event

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1