In the law of demand, keeping everything else constant" refers to

a. only the prices of other goods

b. prices of other goods , income and preferences

c. Price of the good itself, income and preferences

d. only the income

2.If the price of good Y ( the good on the Y-axis, the vertical one) decreases:

a.the budget line will shift right

b. the budget line will rotate downwards, keeping the X-axis intercept constant

c.The budget line will rotate upwards, keeping the x-axis intercept constant

d.The budget line will rotate upward, keeping the y-axis intercept constant

3.Let's assume that chicken wings and pizzas are substitutes. If the price of chicken wings decreases, what happens?