Jessica and Maria are shopping at a store that sells jewelry, scarves, and purses. The cost of all the items at the store include tax. Jessica buys some scarves that cost $4 each and two purses that cost $13 each. The cost of Jessica's total purchase is $42. Write an equation that can be used to find n, the number of scarves that Jessica buys.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

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.

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?