What is the simplest form of (4x^3 + 6x - 7) + (3x^3 - 5x^2 - 5x + 9)

Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? a. 3x^2 + 38x + 55 b. 4x + 16 c. 5x + 16 d. 3x^3 + 38x^2 + 55x