Answer:
zero probability, which means impossible
Step-by-step explanation:
there are no yellow marbles to select from
Answer:
12
Step-by-step explanation:
sum of all angles of triangle =180
3x-12+2x+11x=180
16x-12=180
16x=192
x=12
Answer:

Step-by-step explanation:
First, we can expand the brackets:
(given)

(combine like-terms)


Hope this helps :)
C. 24
sorry if my writing isn't clear<span />
Answer:
Step-by-step explanation:
Let's go:

Solution #1:
x - 3 = 5
x = 5 + 3
x = 8
Solution #2:
x - 3 = - 5
x = - 5 + 3
x = - 2
I hope I helped you.