It's C. move all terms to the left side and set equal to zero. then set each factor equal to zero.
Step-by-step explanation:
You said the other one would be the last haha just kidding I'm glad to help.
16. 
First, get rid of that parenthesis.

Now multiply both sides by 2 so that you can isolate k


19. 
This is a pretty easy one. If you didn't know, 121/11 is actually 11 :)

Simply multiply by 3 to isolate r :)


Answer:
5/2
Step-by-step explanation:
5/2
10:40 am.
9:30 plus 1 hour = 10:30 plus ten minutes= 10:40
Answer:
3 is the correct answer
Step-by-step explanation:
because