Answer:
34
Step-by-step explanation:
All angles of a triangle add up to 180 degrees so you would subtract from 180 with the angles you already have to get your answer. 180 - 115 - 31 = B which is 34.
Actually Welcome to the Concept of the Equations.
1.) Polynomial ==> Binomial
2.) Degree ==> 2
3.) Terms ==> 2
4.) Name ==> Quadratic Equation in two variables.
5.) Coefficient => 7 and 3
The letters in the equation
I don't know what your looking for, so be more specific, but I'm assuming your solving for x, so that's would be
x = -1
Step-by-step explanation
i don't understand option B
