Answer:
The answer is choice B: 22.52 units.
Step-by-step explanation:
We use the Pythagoras's theorem which says for a right triangle with sides
and hypotenuse
:

In our case


So we solve for 

Which is choice B.
Answer:
75
Step-by-step explanation:
a fifth of c is 15
75÷5=15
Answer:
unbias
Step-by-step explanation:
Not asking specific group or person.
Answer:
Not a solution
Step-by-step explanation:
In order for
to be a solution, the result after substituting must be 0:




Therefore,
is not a solution to 