You can use this to help you. label the triangle like the picture and use the equations. I hope this helps.
Answer:
6.4
Step-by-step explanation:
By the Pythagorean Theorem:

Hope this helps!
Answer:
22 people
Step-by-step explanation:
Sean has 2 3/4 candy bars. That is 11/4 candy bars.
He wants to give out 1/8 candy bars.
The number of people that will get candy is:

22 people can get candy.
A and D because it is basically saying 3:36 so when you simplify it comes down to 1:12
That is impossible to answer because this is an expression. you can only solve for x in equations