PLEASE HELP I REALLY NEED THIS GRADE

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

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.