Which lines are parallel? (1,3)(2,-1) (-2,1)(-5,2)(-4,-1)

Plzzzz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.