Can anyone help with these questions?

b 1 ) A change in aggregate demand from ADZ to AD, can be caused by decrease a. a choass in imports 0. an increase in consumer confidence C. a decrease in consumer confidence . an increase in investment spending ADS ADG e. an increase in government spending Aby ADZ AD3 AID RGPP 2 ) A change in short- run aggregate supply from SBAS, to SARAS, Can be caused by a. a decrease in productivity SRASS SRAS 1 b. an increase in productivity SRAS 2 Price level C. a decrease in the degree of excess capacity d. a decrease in consumer wealth. e. a decrease in business taxes AD2 AND 3 Real Gross Domestic Product 3 ) A change in short- runaggregate supply from AS, to AS Can be caused by a . a clecrease in productivity b. a decrease in consumer wealth. C. a decrease in the degree OF excess capacity SRASS . an increase in consumer confidence SRAS 1 Price level e. a decrease in business taxes SRASZ A02 AD ADS Real Gross DomesticPL LRAS, AS1 LRAS AS1 al AS2 Consumer Goods AD2 AD1 ADI Capital Goods RGDP = Y RGDP = Y A B C LRAS PL AS2 AS1 Consumer Goods AD1 Capital Goods D RGDP - Y E Which of the graphs above reflect a change In economic growth? Graphs A, C, and El Graphs A and E Graphs A, B and C Graphs B and E Graphs C and E 31 Without notice, Investment spending dramatically rises in the United States. a) Using a correctly drawn AD/AS graph, explain the short-run Impact of this sudden United States