Answer:

Step-by-step explanation:
because it's has two zeroes
hence it is known as the quadratic function
Energy is not created nor destroyed, it is _____ from one type to another.
Possible answer:
Converted
Answer: 99
Step-by-step explanation:
10x-9=9x
-9=-x
x=9
angle 7 = 9*(9)=81
angle 6 = 180-81= 99
NOTE: DO NOT hit 90 because I did that and got it wrong. Just a heads up. Get luck!