What is the answer to this question??

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)