Step-by-step explanation:
since all angles add up to 180:
(8x-1)+(3x+4)+(3x+9)=180
add like terms:
14x+12=180
x=12
Hope that helps :)
The answers to the questions
Answer:
x is 10
Step-by-step explanation:
Hello,
x= number of points for each multiple choice question correct
L= Louann's score
C= Carla's score
Louann got 14 multiple choice questions correct and 24 points for her essay, so:

Carla got 16 multiple choice questions correct and 14 points for her essay, so:

But we know that they got the same score, then:
Answer: Each multiple choice question was 5 points
Answer:
can you please provide more information