Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $
28

monthly fee and charges an additional
$
0.07

for each minute of calls. The second plan has no monthly fee but charges
$
0.11

for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

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.

Pls yall i really need the answer fr fr