1. is 5 dollars an hour
2.it represents the amount of money he gets in an hour
Sorry i could not help with 3 and 4
WE HAVE STEM BRAINS
Answer:
198.425 inches
Step-by-step explanation:
Answer:
Lower limit = 1007.95 cm/s
Upper limit = 1142.05 cm/s
Step-by-step explanation:
We have to calculate a 95% CI with population's standard deviation known.
The sample is size n=60, with mean M=1075.
The confidence interval can be expressed as:

For a 95% CI, the value of z=1.96.

Answer: w - 7
Step-by-step explanation:
The expression is simply less 7 less than w, or w - 7.
Umm this might be wrong, but i think you have do the inverse, which would make -4 positive, then add that to the 2, and then subtract that from 0.6 and then whatever you answer you get is equal to the variable z.