Find y. Simplify completely.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55