
We know that y=7x, so we just need tu put it into the 1st equation

So we found x. Now we can find y

Answer:
x=1, y=7; or (1;7)
The answer to the question that you asked is the number 23
Answer:
help with what?
you don't have a question.
Step-by-step explanation:
Answer:
option A
Step-by-step explanation:
To Test
H₀ : μ = 3.75
H₁ : μ ≠ 3.75
now,
If μ = 3.95 then it means H₀ is not true.
then the probability is rejecting the null hypothesis.
Hence, the probability is the power of the test against the alternative μ=3.95
The correct answer is option A
2000 - 400= 1600 * .10= 160+400= $560 is probably right, but I pretty much guessed on how to get that.