Answer:
x = 5 ± 
Step-by-step explanation:
Given
x² - 10x + 25 = 35 ( subtract 25 from both sides )
x² - 10x = 10
Using the method of completing the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 5)x + 25 = 10 + 25
(x - 5)² = 35 ( take the square root of both sides )
x - 5 = ±
( add 5 to both sides )
x = 5 ± 
That is the second option on list
Answer:
5005
Step-by-step explanation:
6 C 15
(6, 15)
15! / (6! x 9!)
The answer is 5005
C is just a way to say the order the books are picked in is random and ! means factorial. Factorial is when you multiply all the previous numbers up to the number it is. For example, 5! = 1 x 2 x 3 x 4 x 5 and 2! = 1 x 2

Answer is 2nd option, 4/15
Hope this helps. - M
Answer:so it’s 5
Step-by-step explanation:
It’s 2 divided by 10 = 5