Answer:
(6x+3)(6x-3)
Step-by-step explanation:
I used FOIL
Multiply the first numbers 6x*6x=36x^2
The outer -18x
Inner 18x which the outer and the inner cross out
Last 3*-3=-9
36x^2 -9
Answer:
Mike's measurement are more precise and more accurate
Step-by-step:
Edge2020
The speed is 630mp/s I think. Because you have to multiply Wavelength by Frequency to get true speed
85 is the correct answer.