Aline passes through the point (8.-8) and has a slope of -5/4. write an equation in point-slope form for this line. plz

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)

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Ineed to know the answer to this algebra question.