Help! 5th grade math An electrician needs to cut a 55 foot wire into 7 equal parts. How long will each part be?
5 2/7
6 4/7
7 6/7
8 1/7

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

For the equations below which statement is true ? -2x=14 6x=-42

Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant