Given the function h(x)=-x^2-6x+17h(x)=−x 2
−6x+17, determine the average rate of change of the function over the interval -9\le x \le -2−9≤x≤−2.

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.

Asphere has a diameter of 10 in. what is the volume of the sphere?

Can someone me with the property questions for 12 13 and 14 plz