Write an equation of a line in standard form that passes through (-2,5) and is parallel to y=-2x +5

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)

Which of the following graphs could represent a cubic function?

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount