How many solutions does 6d+8=14+3d have?

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.

Measure of angles 31 (x+4) (3x+9) me

The total number of dental clinics total for the last 12 months was recorded