Answer:
k = 15.94
Step-by-step explanation:
B is true because 0-(-x) = 0 + x = x
Answer:

Step-by-step explanation:
We need to solve the quadratic equation
6 = x^2 -10x
Rearranging we get,
x^2-10x-6=0
Using quadratic formula to solve the quadratic equation

a= 1, b =-10 and c=6
Putting values in the quadratic formula

So, 
Answer:
1, 2, 7, 14
Step-by-step explanation:
14 is a composite number. 14 = 1 x 14 or 2 x 7. Factors of 14: 1, 2, 7, 14.