Answer:
The required equation of line in point-slope form is:

Step-by-step explanation:
Given points are:
(x1,y1) = (3,6)
(x2,y2) = (5,-8)
The point-slope form of an equation is given by:

Here m is slope of the line and (x1,y1) is a point on line
The slope is calculated using the formula:

Putting the values we get

Putting in the equation

Now we have to put a point in the equation, putting (3,6) in the equation

Hence,
The required equation of line in point-slope form is:

The expression is a bit invalid. You can't add variables by variables.
Answer:1,0.5, or 0 it depends
Explanation:
The probability that one event occurred depends on the total of random event, being 1 the most of the probabilities
If the two marbles are blue the probability to select a marble blue is 1
If one of the marbles is blue and the other marble is of any color the probability to select the blue marbles is:
P=1 - 1/2=1/2
Being 1/2 or 0.5 the answer
If any of the marbles are blue then the probabilities are 0