Answer:
its your first option.
Step-by-step explanation:
Brainliest?
Answer:
-3<x<3
Step-by-step explanation:
let y=0
0=x^2-9
0=(x+3)(x-3)
x=-3 and x=+3
Answer:
what is the question?.....
Answer:
PQ = 3.2
Step-by-step explanation:
PQ = PR - QR
PQ = 4.8 - 1.6
PQ = 3.2
Answer:
y=3x^2 -15x-42
Step-by-step explanation: