Answer:
The length of AD is 6.
Step-by-step explanation:
Solve.

Now plug in:

^Therefore, your result^
42 is the answer your looking for.
Answer:
your answer is gonna be 579 miles that would be your answer
Answer:
4
Step-by-step explanation:
Given
x² - 4x + 10 = 0
subtract 10 from both sides
x² - 4x = - 10
To complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 2)x + 4 = - 10 + 4
(x - 2)² = - 6
To complete the square add 4