The graph of which function has an axis of symmetry at x = -1/4? A. f(x) = 2x^2 + x - 1
B. f(x) = 2x^2 - x + 1
C. f(x) = x^2 + 2x - 1
D. f(x) = x^2 - 2x + 1​

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

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.