Marcos has saved some money to spend on new clothes. Marcos spent $28 on clothes. After Marcos finished shopping, he had $12 left. The number 12 is modeled using base-ten blocks.

Explain how to use the base-ten blocks to find how much money Marcos had to start with.
A. Add 2 tens rod and 8 unit cubes. Marcos started with $40.
B. Add 8 tens rods and 2 unit cubes. Marcos started with $94.
C. Add 1 tens rod and 2 unit cubes. Marcos started with $24.
D. Add 2 tens rods and 8 unit cubes. Marcos started with $30.

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.