Imagine you have a close family member who bicycles to work on major streets during rush hour. During this time, air pollution is at its worst, and a cyclist inhales a lot of it. Write a dialogue in which you encourage the family member to consider the negative effects of this practice. Explain the problems that can result.

Evaluate each expression for the given values of the variable.

$$\frac { y ( y - 3 ) } { y - 2 }$$

y=4

List the health behaviors that will help teens avoid problems that can affect the urinary system.

Write a paragraph describing three healthy choices you have made to maintain your cardiovascular and lymphatic health.

Write a paragraph explaining how oxygen and carbon dioxide are exchanged through the respiratory system.

What causes the lungs to fill with air?

Find an SVD of each matrix.

$$\left[ \begin{array}{ll}{7} & {1} \\ {5} & {5} \\ {0} & {0}\end{array}\right]$$

Explain whether the given equation defines an exponential function. Give reasons for your answers. Write the base for each exponential function. $y = x ^ { x }$

Find the perimeter of a triangle with vertices located at (2, 1), (2, -5), (-6, -5).

In a certain state, it is found that the distribution of income for lawyers is given by the Lorenz curve $y=L_{1}(x),$ where $L_{1}(x)=\frac{4}{5} x^{2}+\frac{1}{5} x$ while that of surgeons is given by $y=L_{2}(x),$ where $L_{2}(x)=\frac{5}{8} x^{4}+\frac{3}{8} x.$ Compute the Gini index for each Lorenz curve. Which profession has the more equitable income distribution?

Prove that a conjugate of a glide reflection in M is a glide reflection, and that the glide vectors have the same length.

Rank the following compounds in order of increasing strength of intermolecular forces:

$$\begin{array} { l } { \text { a. } \mathrm { CH } _ { 3 } \mathrm { NH } _ { 2 } , \mathrm { CH } _ { 3 } \mathrm { CH } _ { 3 } , \mathrm { CH } _ { 3 } \mathrm { Cl } } \\ { \mathrm { b } . \mathrm { CH } _ { 3 } \mathrm { Br } , \mathrm { CH } _ { 3 } \mathrm { I } , \mathrm { CH } _ { 3 } \mathrm { Cl } } \\ \mathrm { c } . \left( \mathrm { CH } _ { 3 } \right) _ { 2 } \mathrm { C } = \mathrm { C } \left( \mathrm { CH } _ { 3 } \right) _ { 2 },\left( \mathrm { CH } _ { 3 } \right) _ { 2 } \mathrm { CHCOOH } , \left( \mathrm { CH } _ { 3 } \right) _ { 2 } \mathrm { CHCOCH } _ { 3 } \\ \mathrm { d } . \mathrm { NaCl } , \mathrm { CH } _ { 3 } \mathrm { OH } , \mathrm { CH } _ { 3 } \mathrm { Cl } \end{array}$$

Determine whether each set equipped with the given operations is a vector space. For those that are not vector spaces identify the vector space axioms that fail. The set of all real-valued functions f defined everywhere on the real line and such that f(1) = 0.

Sketch the region bounded between the given curves and then find the area of the region.

$$y=\sin x, y=\sin 2 x, x=0, x=\pi$$