Answer:
3g+6
Step-by-step explanation:
6g+8-3g-2
combine like terms
6g-3g= 3g
3g+8-2
8-2= 6
3g+6
The value of k in <span>
1/2 k+6=4k-8</span>
is 4
Answer: $272,500
I hit this by first doing the step by step things and then adding all of them up.
Answer:

Step-by-step explanation:
The firm tests 75 parts, and finds that 0.25 of them are notusable
n = 75
x = 0.25 \times 75 = 18.75≈19



Confidence level = 95%
So, Z_\alpha at 95% = 1.96
Formula of confidence interval of one sample proportion:


Confidence interval 
The answer is: 90° .
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