there have 4 questions

In the market for prepared fish and chips, suppose that the price of fish falls, and the income of consumers rises. Which of the following must result? (You may assume that fish and chips is a normal good.) (Need help? Read chapter 4.4 of the textbook, here: https://playconomics.com/textbooks/view/playconomics4-2019:3/part2/ch4/s4) O The equilibrium price will rise. The equilibrium price will fall. The equilibrium price will remain unchanged. The equilibrium quantity will fall. None of these. Iron ore is a major input in the production of steel. A decrease in the price of iron ore will most likely cause a(n) _in the price and a(n)_ _ in the quantity sold of steel (Need help? Read chapter 4.4 of the textbook, here: https://playconomics.com/textbooks/view/playconomics4-2019t3/part2/ch4/s4) increase; decrease None of these decrease; increase decrease; decrease O increase; increase Suppose that coffee and tea are substitutes. A decrease in the price of coffee along with a drought that decreases the production of tea leaves will most likely cause a(n) in the price and a(n)_ in the quantity sold of tea. (Need help? Read chapter 4.4 of the textbook, here: https://playconomics.com/textbooks/view/playconomics4-2019t3/part2/ch4/$4) increase; indeterminate change decrease; indeterminate change indeterminate change; decrease None of these. O indeterminate change; increase Suppose that cars are a normal good. An increase incomes along with a decrease in price of steel (an input in the production of cars) will most likely cause a(n) _ _ in the price and a(n)_ in the quantity sold of cars. (Need help? Read chapter 4.4 of the textbook, here: https://playconomics.com/textbooks/view/playconomics4-2019t3/part2/ch4/s4) O indeterminate hange; decrease increase; increase increase; decrease increase; indeterminate change O None of these