You worked 38 hours waiting tables at a restaurant last week, earning $8.75 per hour. In addition, you received$326.86 in tips for the week. How much money did you make per hour, including tips?

In what ways is Greater Mexico City important to the entire country?

Prove the identity for vectors in $R^{3}$. (a) $(\mathbf{u}+k \mathbf{v}) \times \mathbf{v}=\mathbf{u} \times \mathbf{v}$ (b) $\mathbf{u} \cdot(\mathbf{v} \times \mathbf{w})=-(\mathbf{u} \times \mathbf{w}) \cdot \mathbf{v}$.

Explain why the distance formula is not needed to determine if three points lie on the same line.

Microsoft Corporation is the defendant in numerous lawsuits claiming unfair trade practices. Microsoft has strong incentives not to disclose these contingent liabilities. However, GAAP requires that companies report their contingent liabilities. Why would a company prefer not to disclose its contingent liabilities? Identify the parties involved in the decision and the potential consequences to each. Analyze the issue of whether to report contingent liabilities from lawsuits from the following standpoints: a. Economic b. Legal c. Ethical. What impact will future changes in accounting standards, both at the U.S. level and the international level, likely have on the issue of disclosure of loss contingencies?

A dietician encourages students to eat lean meats. The table shows the fat grams of different types of meat. "

$$\begin{matrix} \text{Type of Meat (1 oz)} & \text{Fat Grams}\\ \text{White Meat Chicken} & \text{1}\\ \text{White Meat Turkey} & \text{1}\\ \text{Fresh Fish} & \text{1}\\ \text{Dark Meat Chicken} & \text{3}\\ \text{Dark Meat Turkey} & \text{3}\\ \text{Fish} & \text{3}\\ \text{Ground Beef} & \text{5}\\ \text{Beef} & \text{5}\\ \text{Pork} & \text{5}\\ \text{Lamb} & \text{5}\\ \text{Pork Sausage} & \text{8}\\ \text{Spare Ribs} & \text{8}\\ \text{Lunch Meat} & \text{8}\\ \text{Hot Dog (Turkey or Chicken)} & \text{8}\\ \end{matrix}$$

a. Make a box-and-whisker plot forthe set of data. b. Why is this graph missing a whisker?

Assess the significance of the discovery of the Lucy fossil.

Choose the word or phrase that best answers the question. You start to eat some potato chips from an open bag you found in your locker and notice that they taste unpleasant. What do you think might cause this unpleasant taste? A) combustion B) melting C) physical change D) chemical change

A 1000-turn solenoid has a radius of 1.4 cm and a length of 25 cm. The current in the solenoid is 8 A. Inside the solenoid, what is the magnetic energy density $\left(\mathrm{J} / \mathrm{m}^{3}\right)$ far from the ends of the solenoid?

Solve the equation $S P=S$ to find the stationary matrix S and the limiting matrix $\overline{P}$.

$$P=\left[\begin{array}{ll}{.5} & {.5} \\ {.3} & {.7}\end{array}\right]$$

Explain how DNA forms chromosomes in eukaryotic cells.

Complete each equation. $(4m)^?=256m^4$

Explain changes in American culture brought about by government policies and analyze and evaluate the validity of arguments from primary sources for bias. Use the image above to write a paragraph explaining the changes in American culture brought about by the 15th Amendment, according to the artist of this lithograph. Consider the following questions: What changes does the image imply the 15th Amendment made in American culture? What was the reality of the changes brought about by the 15th Amendment in the late 1800s? What biases may have influenced this illustration?

How does parathyroid hormone increase blood calcium levels?