Find the sum of these polynomials.
(x2 + x + 9) + (7x2 + 5) =
A. 8x^2 + x +4
B. 8x^2+x+14
c. 7x^2+x+4
D. 7x^2+x+14

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)

The los angels ram scored 26, 30, 48, and 31 pts in their last four games. how many pts do they need to score in super bowl liii in order to have an exact mean average of 35 pts over five games. write and solve and equation. use x to represent the 5th game.

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.