Ms. Daly bought 5 tickets to a play at the Fox Theater and spent $120.00. She bought a combination of children tickets for $20.00 each and adult tickets for $30.00 each. Which system of equations below will determine the number of adult tickets, a, and the number of children tickets, c, she bought?

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.