B. 31°, 43°, 106°
since all angles of a triangle add up to 180°, you combine all of the equations to equal 180 and solve for X. the equation you would get it 3x+1+11x-4+5x-7=180. this simplifies to 19x-10=180. then you solve for x, and it is 10. then, you plug 10 into all of the equations separately to find the angles. therefore, the answer is B
Answer c=12 bellow is a step by step explanation hope it helps
Answer:
x=0.18 repeating
Step-by-step explanation:
Solve the rational equation by combining expressions and isolating the variable x
Answer:
A
Step-by-step explanation:
You are going to go over 2 and up 5
D
F