What is the sum of the polynomials? (-x2 +9) + (-3x2 – 11x + 4) 4x2 - 2x + 4 4x2 - 11x + 13 © 2x2 + 20x + 4 2x2 + 11x + 5

Itook a better photo of the question so y’all can see it i hope it’s a fine photo

What is the value of r of the geometric series?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.