Aclothing store has a 14% sales tax on all items purchased. draw a graph a model this situation. is the amount of the taxes proportional to the purchase?

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.

Which is the graph of the function y=2(4)^x

Find an equation for the linear function which has slope -10 and x-intercept -7