The highest point in a country has an elevation of 14,860 feet. the lowest point in a country is at 661 feet below sea level how much higher is the highest point than the lowest point

What are correct trigonometric ratios that could be used to determine the length of ln

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.

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.