Answer:
its B
Step-by-step explanation:
just run all of them through the equation.
Answer: 
Step-by-step explanation:
You have this expression:

You already know that the value of the variable "x" is:

And the value of the variable "y" is:

Therefore, you can substitute the value of the variable "x" and the value of the variable "y" into the expression.
Then you get:

Answer:
70 degrees
Step-by-step explanation:
idek lol have funnnnnn
Answer:
5 cm
Step-by-step explanation:
1/2 * 4 * 5/2 = 5