What is the solution of the system ? use substitution.
y= -3x
x + y = -4

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.