Answer:
she gets paid 15$ a hour
Step-by-step explanation:
divide 120 by 8
T = 3
To find the period, find the distance it takes to complete one cycle.
There are 13 numbers here:
30, 30, 31, 32, 42, 49, 58, 58, 67, 67, 69, 78, 90.
The median number is the 7th number, which is 58.
