Four times a number increased by five is the same as triple the difference of a number and two. What is the number?

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.

Give all possible names for the line shown.calculation tip: lines can be written with either point first.

Ebert used to make $22 an hour, but got a 10% raise. how much more will he make in a 40 hour work week with raise?