Discuss, using diagrams wherever appropriate, the significance of price elasticity of demand for both firms and the government.

Find the total price of the item.

blanket: $24.99 tax: 7%

The table below shows half-lives and other properties of six isotopes of carbon. Use this table to answer the question.

$$\begin{matrix} \text{Isotope} & \text{Number of Protons} & \text{Number of Neutrons} & \text{Abundance (percentage of all carbon atoms)} & \text{Half-life}\\ \text{Carbon-10} & \text{6} & \text{4} & \text{0} & \text{19.29 seconds}\\ \text{Carbon-11} & \text{6} & \text{5} & \text{0} & \text{20.33 minutes}\\\text{Carbon-12} & \text{6} & \text{6} & \text{98.9} & \text{(stable)}\\ \text{Carbon-13} & \text{6} & \text{7} & \text{1.1} & \text{(stable)}\\ \text{Carbon-14} & \text{6} & \text{8} & \text{Less than 0.1} & \text{5730 years}\\ \text{Carbon-15} & \text{6} & \text{9} & \text{0} & \text{2.45 seconds}\\ \end{matrix}$$

Describe the pattern in half-lives and abundance shown by the data.

What is the relationship between rational and irrational numbers?

Tom buys a rare stamp for $\$ 500$. If the annual rate of inflation is $4 \%$, how much should he ask when he sells it in 5 years in order to break even

Determine the selling price of a $150 MP3 player with a 22% markup.

When writing a job description, use statements that are terse, direct, and simply worded. Is it true or false?

You are given a supply equation and a demand equation for a product. If p represents price per unit in dollars and q represents the number of units per unit of time, find the equilibrium point. Sketch the system. Supply: 35q - 2p + 250 = 0, Demand: 65q + p - 537.5 = 0

Which aggregate demand curve represents the higher-performing economy? How can you tell?

What would the $\$ 23,000$ car in Problem 25 have cost (to the nearest dollar) $5$ years ago if the inflation rate over that period had averaged $5 \%$ compounded annually?

Find the total price including 7% tax on a $9.79 purchase.

Use the discussed table to answer the following questions. Assume that all prices have risen at the same rate as the CPI.

What was the overall amount of inflation as a percentage from $1990$ to $2000$?

Suppose that over a $30$-year period Buskerville’s price level increased from $72$ to $138$, while its real GDP rose from $1.2$ trillion dollars to $2.1$ trillion dollars. Did economic growth occur in Buskerville? If so, by what average yearly rate in percentage terms (rounded to one decimal place)? Did Buskerville experience inflation? If so, by what average yearly rate in percentage terms (rounded to one decimal place)? Which shifted rightward faster in Buskerville: its long-run aggregate supply curve (ASLR) or its aggregate demand curve (AD)?

Use the discussed table to answer the following questions. Assume that all prices have risen at the same rate as the CPI.

What was the overall amount of inflation as a percentage from $2000$ to $2010$?