Answer:
The solution of the given quadratic equation is 1 and (-10).
Step-by-step explanation:




Solving equation by quadratic formula:
Here , a = 1,b = 9, c = (-10)



The solution of the given quadratic equation is 1 and (-10).
The value of square root 86 is between 9 and 9.5
C=2pir
pi=3.14
r=18
c=(2)(3.14)(18)
c=(6.28)(18)
c=113.04
D is answer
Answer:
Yes, the given measures can be the lengths of the sides of a triangle.
Step-by-step explanation:
hope this helps