Match each pair of points to the equation of the line that is parallel to the line passing through the points

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.