Categorize the following as conductors or insulators: a. copper wire b. your body when your skin is wet c. a plastic comb

Simplify the compound fractional expression. $\frac{x^{-2}-y^{-2}}{x^{-1}+y^{-1}}$

Which distinguishes scientific ideas from popular opinions? A. Popular opinions are always rational and logical. B. Popular opinions depend on research and evidence. C. Scientific ideas are always testable and repeatable. D. Scientific ideas depend on anecdotes and hearsay.

Briefly describe the mission of the EPA.

Read the passage, and then answer the questions that follow. Kim and Rich are both seniors in high school and have been dating since they were freshmen. They only have one more week of school until graduation. Three other couples in their class are planning to skip school the last day of class to go have fun in a nearby large city. Kim and Rich know that it would be a fun day, but they are worried that if they are caught skipping, they may not be allowed to participate in their class’s graduation $\underline{\text{commencement}}.$ They also know that their parents would be angry with them, and this would make their summer before leaving for college a difficult one at home. What can you infer from reading the passage? E. Rich is only concerned for himself. F. Kim and Rich have little in common. G. Kim and Rich are concerned about the possible consequences of their actions. H. Kim’s and Rich’s parents do not approve of their dating.

Determine the equation of a line that is the perpendicular bisector to a segment given the following endpoints. (3, 1) and (7, 5)

During an average dinner service, your restaurant serves 20 cup-size (6 fluid ounces) portions of asparagus soup, and 9 bowl-size (11 fluid ounces) portions. How many quarts of soup should be prepared for each evening?

Change a recipe from customary to metric. If possible, prepare the recipe with metric measuring tools. Evaluate the results.

Vocabulary: Economics

Solve

$$\frac { x ( x - 2 ) } { 6 } = \frac { x + 1 } { 8 }$$

. a.

$$\{ 3 \}$$

, b.

$$\left\{ - 3 , \frac { 1 } { 4 } \right\}$$

, c.

$$\left\{ - \frac { 1 } { 4 } , 3 \right\}$$

, d. {-1, 0, 2}

Vocabulary: Total fertility rate

Map distances were determined for four different genes (MAT, HIS4, THR4, and LEU2) on chromosome III of the yeast Saccharomyces cerevisiae:

$$\begin{matrix} \text{$H I S 4 \longleftrightarrow M A T$} & \text{37 $\mathrm{cM}$}\\ \text{$T H R 4 \longleftrightarrow L E U 2$} & \text{35 $\mathrm{cM}$}\\ \text{$L E U 2 \longleftrightarrow H I S 4$} & \text{23 $\mathrm{cM}$}\\ \text{$M A T \longleftrightarrow L E U 2$} & \text{16 $\mathrm{cM}$}\\ \text{$M A T \longleftrightarrow T H R 4$} & \text{16 $\mathrm{cM}$}\\ \end{matrix}$$

What is the order of genes on the chromosome?

Why should tools and equipment used in the kitchen and for grilling be cleaned after every use?

Which of the following would be the BEST title for the passage? a. "The Mayan Civilization" b. "Paleoecology Today" c. "The Danger of Depleting Resources" d. "Plato's Warning"