The classes arebaking for the holidays .the class uses 8 3/8 of chocolate chips to make cookies and 3 1/4 pound of cookie dough for the cookies how many more pounds of chocolate chips does he used and cookie dough

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.

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

Find dy/dx using implicit differentiation ln(20+e^xy)=y