Ivultiple choice: choose the correct answer.
5.
in the expression [1 +7 · (2 - 9) - 3+ 12, which of the following operations is done first?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

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.