The measure of an exterior angle of a triangle equals the sum of the two remote interior angle measures.

m∠2 = m∠3 + m∠4?

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.

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)