Answer:
Option B 3,-3,-6 is correct.
Step-by-step explanation:
We need to find real zeroes of 
Solving

Taking x^2 common from first 2 terms and -9 from last two terms we get

Taking (x+6) common

x^2-9 can be solved using formula a^2-b^2 = (a+b)(a-b)

Putting it equal to zero,

So, Option B 3,-3,-6 is correct.
(x+40):12=88-78
(x+40):12=10
x+40=10*12
x+40=120
x=120-40
x=80
Answer:
1.) 42in = 3.5 foot?
Step-by-step explanation:
Answer:
Reflects it about x-axis and down 3 units
Step-by-step explanation:
y = f(x) + C C < 0 moves it down
This is moved down 3 units
y = −f(x) Reflects it about x-axis
Answer:
I think it's D and E
Step-by-step explanation: