Please find attached the required diagrams.
As a result of the rising incomes and cheap loans, the demand for houses would increase. This would cause an outward shift of the demand curve. As a result, equilibrium price and quantity of houses would increase.
An improvement in technology in the housing industry would lead to an increase in the supply of houses. This would lead to an outward shift of the supply curve. Equilibrium price would reduce and equilibrium quantity would increase.
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