Martha is driving to Miami for Spring Break, and she averages 75 miles per hour for 3 hours while she's driving on the highway. While she's driving on side streets for 1 hour, she only averages 45 miles per hour. What is the total distance that she covers on her road trip?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Determine whether the sequence converges or diverges. if it converges, give the limit. 108, -18, 3, ,