4x + 5 - 5x
4 x 12+ 5
48 + 5 - 5
53 - 5
48
He will need 528 pieces of glass.
Hope this helps!
Please mark as brainliest because it helps me out a lot :)
Answer:
Option C) The average contents of all bottles of juice in the population, which is 473 mL
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = 473 mL
Sample mean,
= 472 mL
Sample size, n = 30
Sample standard deviation, σ = 0.2
First, we design the null and the alternate hypothesis
Representation of 
is the population parameter that represents the population mean.
Thus, for the given situation
represents:
Option C) The average contents of all bottles of juice in the population, which is 473 mL
Answer: A
Step-by-step explanation: I honestly couldn't tell you how to do this, I don't understand it. I just took the test and got this question correct. The answer is A, (5-7)^2.