Please help me with 1,2,3,4 please

Which of the following describes the symmetry of the graph of y = x3?

The description below represents function a and the table represents function b: function a the function is 5 more than 3 times x. function b x y −1 2 0 5 1 8 which statement is correct about the slope and y-intercept of the two functions? (1 point) their slopes are equal but y-intercepts are not equal. their slopes are not equal but y-intercepts are equal. both slopes and y intercepts are equal. neither slopes nor y-intercepts are equal.

Two numbers have a sum of -19. one number is x. what expression represents the other number?