Answer:
A wave period is the measure of the time it takes for the wave cycle to complete.
The period of the wave is 2 seconds.
Step-by-step explanation:
Given that the mean of the numbers is 12

so here
let's that one as x and another one as 2x since it is given that one is twice the other
Therefore we get

Given mean = 12




Hence it's 11 and 22
Answer:
9.65
Step-by-step explanation:
Quadrant III dhdidjeoejdosjsosjdisjehussihsisisisjjsisisis
I believe you are right with all of them.