How to write the equation for this math problem. sandy made 98 on her first test.87 on her second test. and 89 on her third test. what is her average test grade?

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.

15 liters is approximately how many gallons

Graph the function =gx+2x3 and give its domain and range using interval notation.