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If the U.S. dollar decreases in value relative to other currencies, how does this affect the aggregate demand curve?

Figure 12-4Refer to Figure 12-4. Potential GDP equals $100 billion. The economy is currently producing GDP1 which is equal to $80 billion. If the MPC is 0.8, then how much must autonomous spending change for the economy to move to potential GDP?

Figure 13-1Refer to Figure 13-1. Ceteris paribus, an increase in the price level would be represented by a movement from

Consumption is $5 million, planned investment spending is $8 million, government purchases are $10 million, and net exports are equal to $3 million. If GDP during that same time period is equal to $27 million, what unplanned changes in inventories occurred?

Figure 10-2Refer to Figure 10-2. Which of the following is consistent with the graph depicted above?

Determine whether the statement makes sense or does not make​ sense, and explain your reasoning. The tree that​ I’ve drawn has the same number of vertices and edges. Choose the correct answer below.

Identify all edges on the graph that are bridges.

You have six errands to run around​ town, in no particular order. You plan to start and end at home. You must go to the post office​ (P), deposit a check at the bank​ (B), drop off dry cleaning​ (D), visit a friend at the hospital (H), get a flu shot at the medical clinical (M), and pick up a groceries at the store (G). A weighted graph is shown with the distances​ (in miles) to the locations shown on the edges. If each Hamilton circuit represents a route to run your​ errands, how many different routes are​ possible? Enter a numerical answer.   

Determine whether the graph is a tree. If the graph is not a​ tree, give a reason why. Choose the correct answer below.